EP1795344B1 - Lithografiedruckplattenvorläufer und Lithografiedruckverfahren - Google Patents
Lithografiedruckplattenvorläufer und Lithografiedruckverfahren Download PDFInfo
- Publication number
- EP1795344B1 EP1795344B1 EP06019769A EP06019769A EP1795344B1 EP 1795344 B1 EP1795344 B1 EP 1795344B1 EP 06019769 A EP06019769 A EP 06019769A EP 06019769 A EP06019769 A EP 06019769A EP 1795344 B1 EP1795344 B1 EP 1795344B1
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- EP
- European Patent Office
- Prior art keywords
- group
- image
- lithographic printing
- printing plate
- plate precursor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- CUXQLKLUPGTTKL-UHFFFAOYSA-M microcosmic salt Chemical compound [NH4+].[Na+].OP([O-])([O-])=O CUXQLKLUPGTTKL-UHFFFAOYSA-M 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 239000006012 monoammonium phosphate Substances 0.000 description 1
- 235000019691 monocalcium phosphate Nutrition 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- ZIUHHBKFKCYYJD-UHFFFAOYSA-N n,n'-methylenebisacrylamide Chemical compound C=CC(=O)NCNC(=O)C=C ZIUHHBKFKCYYJD-UHFFFAOYSA-N 0.000 description 1
- RHFUXPCCELGMFC-UHFFFAOYSA-N n-(6-cyano-3-hydroxy-2,2-dimethyl-3,4-dihydrochromen-4-yl)-n-phenylmethoxyacetamide Chemical compound OC1C(C)(C)OC2=CC=C(C#N)C=C2C1N(C(=O)C)OCC1=CC=CC=C1 RHFUXPCCELGMFC-UHFFFAOYSA-N 0.000 description 1
- YQCFXPARMSSRRK-UHFFFAOYSA-N n-[6-(prop-2-enoylamino)hexyl]prop-2-enamide Chemical compound C=CC(=O)NCCCCCCNC(=O)C=C YQCFXPARMSSRRK-UHFFFAOYSA-N 0.000 description 1
- PSZYNBSKGUBXEH-UHFFFAOYSA-M naphthalene-1-sulfonate Chemical compound C1=CC=C2C(S(=O)(=O)[O-])=CC=CC2=C1 PSZYNBSKGUBXEH-UHFFFAOYSA-M 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229920003052 natural elastomer Polymers 0.000 description 1
- 229920001194 natural rubber Polymers 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- DBJLJFTWODWSOF-UHFFFAOYSA-L nickel(ii) fluoride Chemical compound F[Ni]F DBJLJFTWODWSOF-UHFFFAOYSA-L 0.000 description 1
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 description 1
- 229920001220 nitrocellulos Polymers 0.000 description 1
- 125000000018 nitroso group Chemical group N(=O)* 0.000 description 1
- 239000010680 novolac-type phenolic resin Substances 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- XNGIFLGASWRNHJ-UHFFFAOYSA-N o-dicarboxybenzene Natural products OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 description 1
- 238000007645 offset printing Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 239000001053 orange pigment Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 150000002896 organic halogen compounds Chemical class 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 150000002916 oxazoles Chemical class 0.000 description 1
- 125000004043 oxo group Chemical group O=* 0.000 description 1
- NWVVVBRKAWDGAB-UHFFFAOYSA-N p-methoxyphenol Chemical compound COC1=CC=C(O)C=C1 NWVVVBRKAWDGAB-UHFFFAOYSA-N 0.000 description 1
- 229910001737 paragonite Inorganic materials 0.000 description 1
- FZUGPQWGEGAKET-UHFFFAOYSA-N parbenate Chemical compound CCOC(=O)C1=CC=C(N(C)C)C=C1 FZUGPQWGEGAKET-UHFFFAOYSA-N 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 150000002978 peroxides Chemical class 0.000 description 1
- 125000002080 perylenyl group Chemical group C1(=CC=C2C=CC=C3C4=CC=CC5=CC=CC(C1=C23)=C45)* 0.000 description 1
- CSHWQDPOILHKBI-UHFFFAOYSA-N peryrene Natural products C1=CC(C2=CC=CC=3C2=C2C=CC=3)=C3C2=CC=CC3=C1 CSHWQDPOILHKBI-UHFFFAOYSA-N 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- NBIIXXVUZAFLBC-UHFFFAOYSA-K phosphate Chemical compound [O-]P([O-])([O-])=O NBIIXXVUZAFLBC-UHFFFAOYSA-K 0.000 description 1
- 150000003009 phosphonic acids Chemical class 0.000 description 1
- 150000004714 phosphonium salts Chemical class 0.000 description 1
- 150000003014 phosphoric acid esters Chemical class 0.000 description 1
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 description 1
- IYDGMDWEHDFVQI-UHFFFAOYSA-N phosphoric acid;trioxotungsten Chemical compound O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.O=[W](=O)=O.OP(O)(O)=O IYDGMDWEHDFVQI-UHFFFAOYSA-N 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 125000004437 phosphorous atom Chemical group 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 239000001007 phthalocyanine dye Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920002454 poly(glycidyl methacrylate) polymer Polymers 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 239000004584 polyacrylic acid Substances 0.000 description 1
- 229920006122 polyamide resin Polymers 0.000 description 1
- 229920000768 polyamine Polymers 0.000 description 1
- 238000006068 polycondensation reaction Methods 0.000 description 1
- 229920001225 polyester resin Polymers 0.000 description 1
- 239000004645 polyester resin Substances 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000223 polyglycerol Polymers 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229920002503 polyoxyethylene-polyoxypropylene Polymers 0.000 description 1
- 229920005990 polystyrene resin Polymers 0.000 description 1
- 229920005749 polyurethane resin Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- GNSKLFRGEWLPPA-UHFFFAOYSA-M potassium dihydrogen phosphate Chemical compound [K+].OP(O)([O-])=O GNSKLFRGEWLPPA-UHFFFAOYSA-M 0.000 description 1
- 239000011698 potassium fluoride Substances 0.000 description 1
- 235000003270 potassium fluoride Nutrition 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 1
- DOKHEARVIDLSFF-UHFFFAOYSA-N prop-1-en-1-ol Chemical group CC=CO DOKHEARVIDLSFF-UHFFFAOYSA-N 0.000 description 1
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 1
- BWJUFXUULUEGMA-UHFFFAOYSA-N propan-2-yl propan-2-yloxycarbonyloxy carbonate Chemical compound CC(C)OC(=O)OOC(=O)OC(C)C BWJUFXUULUEGMA-UHFFFAOYSA-N 0.000 description 1
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 1
- 239000008262 pumice Substances 0.000 description 1
- 239000001057 purple pigment Substances 0.000 description 1
- JEXVQSWXXUJEMA-UHFFFAOYSA-N pyrazol-3-one Chemical compound O=C1C=CN=N1 JEXVQSWXXUJEMA-UHFFFAOYSA-N 0.000 description 1
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- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- IZMJMCDDWKSTTK-UHFFFAOYSA-N quinoline yellow Chemical compound C1=CC=CC2=NC(C3C(C4=CC=CC=C4C3=O)=O)=CC=C21 IZMJMCDDWKSTTK-UHFFFAOYSA-N 0.000 description 1
- 239000001008 quinone-imine dye Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000001054 red pigment Substances 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- RAPZEAPATHNIPO-UHFFFAOYSA-N risperidone Chemical compound FC1=CC=C2C(C3CCN(CC3)CCC=3C(=O)N4CCCCC4=NC=3C)=NOC2=C1 RAPZEAPATHNIPO-UHFFFAOYSA-N 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910021647 smectite Inorganic materials 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 235000010413 sodium alginate Nutrition 0.000 description 1
- 239000000661 sodium alginate Substances 0.000 description 1
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- 229910001388 sodium aluminate Inorganic materials 0.000 description 1
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 235000011008 sodium phosphates Nutrition 0.000 description 1
- 229940048086 sodium pyrophosphate Drugs 0.000 description 1
- 235000019832 sodium triphosphate Nutrition 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- HISNRBVYBOVKMB-UHFFFAOYSA-N stibonium Chemical group [SbH4+] HISNRBVYBOVKMB-UHFFFAOYSA-N 0.000 description 1
- 125000005156 substituted alkylene group Chemical group 0.000 description 1
- 125000005649 substituted arylene group Chemical group 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000005720 sucrose Substances 0.000 description 1
- 125000000020 sulfo group Chemical group O=S(=O)([*])O[H] 0.000 description 1
- HXJUTPCZVOIRIF-UHFFFAOYSA-N sulfolane Chemical compound O=S1(=O)CCCC1 HXJUTPCZVOIRIF-UHFFFAOYSA-N 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
- 239000003760 tallow Substances 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- BWSZXUOMATYHHI-UHFFFAOYSA-N tert-butyl octaneperoxoate Chemical compound CCCCCCCC(=O)OOC(C)(C)C BWSZXUOMATYHHI-UHFFFAOYSA-N 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 235000019818 tetrasodium diphosphate Nutrition 0.000 description 1
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 125000000101 thioether group Chemical group 0.000 description 1
- JOUDBUYBGJYFFP-FOCLMDBBSA-N thioindigo Chemical compound S\1C2=CC=CC=C2C(=O)C/1=C1/C(=O)C2=CC=CC=C2S1 JOUDBUYBGJYFFP-FOCLMDBBSA-N 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 150000007944 thiolates Chemical class 0.000 description 1
- 229910052718 tin Inorganic materials 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 125000005424 tosyloxy group Chemical group S(=O)(=O)(C1=CC=C(C)C=C1)O* 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- RIAJLMJRHLGNMZ-UHFFFAOYSA-N triazanium;trioxomolybdenum;phosphate Chemical compound [NH4+].[NH4+].[NH4+].O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.O=[Mo](=O)=O.[O-]P([O-])([O-])=O RIAJLMJRHLGNMZ-UHFFFAOYSA-N 0.000 description 1
- QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
- 239000001069 triethyl citrate Substances 0.000 description 1
- VMYFZRTXGLUXMZ-UHFFFAOYSA-N triethyl citrate Natural products CCOC(=O)C(O)(C(=O)OCC)C(=O)OCC VMYFZRTXGLUXMZ-UHFFFAOYSA-N 0.000 description 1
- 235000013769 triethyl citrate Nutrition 0.000 description 1
- ZIBGPFATKBEMQZ-UHFFFAOYSA-N triethylene glycol Chemical compound OCCOCCOCCO ZIBGPFATKBEMQZ-UHFFFAOYSA-N 0.000 description 1
- 125000004953 trihalomethyl group Chemical group 0.000 description 1
- TWQULNDIKKJZPH-UHFFFAOYSA-K trilithium;phosphate Chemical compound [Li+].[Li+].[Li+].[O-]P([O-])([O-])=O TWQULNDIKKJZPH-UHFFFAOYSA-K 0.000 description 1
- 239000013638 trimer Substances 0.000 description 1
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 description 1
- AAAQKTZKLRYKHR-UHFFFAOYSA-N triphenylmethane Chemical compound C1=CC=CC=C1C(C=1C=CC=CC=1)C1=CC=CC=C1 AAAQKTZKLRYKHR-UHFFFAOYSA-N 0.000 description 1
- RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
- NCPXQVVMIXIKTN-UHFFFAOYSA-N trisodium;phosphite Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])[O-] NCPXQVVMIXIKTN-UHFFFAOYSA-N 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- ZTWTYVWXUKTLCP-UHFFFAOYSA-N vinylphosphonic acid Chemical class OP(O)(=O)C=C ZTWTYVWXUKTLCP-UHFFFAOYSA-N 0.000 description 1
- NLVXSWCKKBEXTG-UHFFFAOYSA-N vinylsulfonic acid Chemical compound OS(=O)(=O)C=C NLVXSWCKKBEXTG-UHFFFAOYSA-N 0.000 description 1
- 229920003169 water-soluble polymer Polymers 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
- 238000004846 x-ray emission Methods 0.000 description 1
- 125000006839 xylylene group Chemical group 0.000 description 1
- 239000001052 yellow pigment Substances 0.000 description 1
- LRXTYHSAJDENHV-UHFFFAOYSA-H zinc phosphate Chemical compound [Zn+2].[Zn+2].[Zn+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LRXTYHSAJDENHV-UHFFFAOYSA-H 0.000 description 1
- 229910000165 zinc phosphate Inorganic materials 0.000 description 1
- 229910052726 zirconium Inorganic materials 0.000 description 1
- 229910000166 zirconium phosphate Inorganic materials 0.000 description 1
- LEHFSLREWWMLPU-UHFFFAOYSA-B zirconium(4+);tetraphosphate Chemical compound [Zr+4].[Zr+4].[Zr+4].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O LEHFSLREWWMLPU-UHFFFAOYSA-B 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
- B41C1/1008—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C1/00—Forme preparation
- B41C1/10—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme
- B41C1/1008—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials
- B41C1/1016—Forme preparation for lithographic printing; Master sheets for transferring a lithographic image to the forme by removal or destruction of lithographic material on the lithographic support, e.g. by laser or spark ablation; by the use of materials rendered soluble or insoluble by heat exposure, e.g. by heat produced from a light to heat transforming system; by on-the-press exposure or on-the-press development, e.g. by the fountain of photolithographic materials characterised by structural details, e.g. protective layers, backcoat layers or several imaging layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2201/00—Location, type or constituents of the non-imaging layers in lithographic printing formes
- B41C2201/04—Intermediate layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2201/00—Location, type or constituents of the non-imaging layers in lithographic printing formes
- B41C2201/06—Backcoats; Back layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2201/00—Location, type or constituents of the non-imaging layers in lithographic printing formes
- B41C2201/10—Location, type or constituents of the non-imaging layers in lithographic printing formes characterised by inorganic compounds, e.g. pigments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2201/00—Location, type or constituents of the non-imaging layers in lithographic printing formes
- B41C2201/14—Location, type or constituents of the non-imaging layers in lithographic printing formes characterised by macromolecular organic compounds, e.g. binder, adhesives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
- B41C2210/04—Negative working, i.e. the non-exposed (non-imaged) areas are removed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
- B41C2210/08—Developable by water or the fountain solution
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
- B41C2210/22—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation characterised by organic non-macromolecular additives, e.g. dyes, UV-absorbers, plasticisers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41C—PROCESSES FOR THE MANUFACTURE OR REPRODUCTION OF PRINTING SURFACES
- B41C2210/00—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation
- B41C2210/24—Preparation or type or constituents of the imaging layers, in relation to lithographic printing forme preparation characterised by a macromolecular compound or binder obtained by reactions involving carbon-to-carbon unsaturated bonds, e.g. acrylics, vinyl polymers
Definitions
- the present invention relates to a lithographic printing plate precursor and a lithographic printing method by using the same. More specifically, it relates to a lithographic printing plate precursor capable of undergoing a so-called direct plate-making, which can be directly plate-made by scanning of laser beam based on digital signals, for example, a computer, and a lithographic printing method whereby printing is conducted by developing the above-described lithographic printing plate precursor on a printing machine without resorting to the development processing step.
- a lithographic printing plate is composed of an oleophilic image area accepting an ink and a hydrophilic non-image area accepting dampening water in the process of printing.
- Lithographic printing is a printing method utilizing the nature of dampening water and an oily ink to repel with each other and comprising rendering the oleophilic image area of the lithographic printing plate to an ink-receptive area and the hydrophilic non-image area thereof to a dampening water-receptive area (ink-unreceptive area), thereby making a difference in adherence of the ink on the surface of the lithographic printing plate, depositing the ink only to the image area, and then transferring the ink to a printing material, for example, paper.
- a printing material for example, paper.
- a lithographic printing plate precursor comprising a hydrophilic support having provided thereon an oleophilic photosensitive resin layer (image-forming layer)
- PS plate lithographic printing plate precursor
- image-forming layer oleophilic photosensitive resin layer
- the lithographic printing plate is obtained by conducting plate-making according to a method of exposing the lithographic printing plate precursor through an original, for example, a lith film, and then while leaving the image area of the image-forming layer, removing the image-forming layer in other unnecessary areas by dissolving with an alkaline developer or an organic solvent thereby revealing the hydrophilic surface of support.
- a method referred to as on-machine development has been proposed wherein a lithographic printing plate precursor having an image-forming layer capable of being removed in the unnecessary areas during a conventional printing process is used and after exposure, the non-image area of the image-forming layer is removed on a printing machine to prepare a lithographic printing plate.
- Specific methods of the on-machine development include, for example, a method of using a lithographic printing plate precursor having an image-forming layer that can be dissolved or dispersed in dampening water, an ink solvent or an emulsion of dampening water and ink, a method of mechanically removing an image-forming layer by contact with rollers or a blanket cylinder of a printing machine, and a method of lowering cohesion force of an image-forming layer or adhesion between an image-forming layer and a support upon penetration of dampening water, ink solvent or the like and then mechanically removing the image-forming layer by contact with rollers or a blanket cylinder of a printing machine.
- the term "development processing step” means a step of using an apparatus (ordinarily, an automatic developing machine) other than a printing machine and removing an unexposed area in an image-forming layer of a lithographic printing plate precursor upon contact with liquid (ordinarily, an alkaline developer) thereby revealing a hydrophilic surface of support.
- on-machine development means a method and a step of removing an unexposed area in an image-forming layer of the lithographic printing plate precursor upon contact with liquid (ordinarily, a printing ink and/or dampening water) by using a printing machine thereby revealing a hydrophilic surface of support.
- high output lasers such as semiconductor lasers and YAG lasers are available less expensively. Accordingly, it is highly expected that these high output lasers are useful as image recording light sources in a method of producing a lithographic printing plate precursor by scanning exposure which can be easily incorporated into the digitalization technology.
- a photosensitive lithographic printing plate precursor is imagewise-exposed at a low to medium illumination intensity and thus an image is recorded via an imagewise change in a physical property due to a photochemical reaction in the image-forming layer.
- an area to be exposed is radiated with much light energy within an extremely short time.
- the light energy is efficiently converted into heat energy, thereby inducing a heat change such as a chemical change, a phase change or a morphological or structural change in the image-forming layer.
- a heat change such as a chemical change, a phase change or a morphological or structural change in the image-forming layer.
- an image is recorded. That is to say, the image data is input by the light energy such as laser beams, while image-recording is carried out by using not only the light energy but also the reaction by heat energy.
- Such a recording system with the use of the heat generated by high power density exposure is called “heat mode recording” and the conversion of light energy into heat energy is called “photothermal conversion”.
- a lithographic printing plate precursor for example, a lithographic printing plate precursor comprising a hydrophilic support having provided thereon an image-forming layer containing a hydrophobic thermoplastic polymer particles dispersed in a hydrophilic binder is known (refer to, for example, Japanese Patent No. 2938397 ).
- the lithographic printing plate precursor can be subjected to the on-machine development by exposing with an infrared laser, fusing and coalescing the hydrophobic thermoplastic polymer particles by heat to form an image, loading on a cylinder of a printing machine, and supplying dampening water and/or ink.
- JP-A-2001-277740 and JP-A-2001-277742 disclose a lithographic printing plate precursor comprising a hydrophilic support having provided thereon an image-forming layer (a heat-sensitive layer) containing fine particles having a polymerized compound encapsulated therein.
- JP-A-2002-287334 discloses a lithographic printing plate precursor which comprises a support having provided thereon an image-forming layer (a photosensitive layer) containing an infrared absorber, a radical polymerization initiator and a polymerizable compound.
- An object of the invention is to provide a lithographic printing plate precursor which enables laser image-recording and on-machine development and has a high sensitivity (fine line reproducibility and printing durability) and a high time-lapse stability and which can be prevented from the adhesion to a paper board and abrasion due to exposure, and a lithographic printing method by using the lithographic printing plate precursor.
- the present inventor has paid attentions to components constituting an image-recording material to be used in an image-forming layer of a lithographic printing plate precursor and conducted intensive studies. As a result, the inventor has found out that the above-described objects can be achieved by adding a stratiform compound to the image-forming layer, thereby completing the present invention.
- a lithographic printing plate precursor which enables laser image-recording and on-machine development, has a high sensitivity (fine line reproducibility and printing durability) and a high time-lapse stability and a lithographic printing method by using the lithographic printing plate precursor.
- a lithographic printing plate precursor from abrasion due to the adhesion of the lithographic printing plate precursor to a paper board and exposure in the case of forming a laminate with the use of the paper board.
- the lithographic printing plate precursor of the invention is characterized by comprising a support and an image-forming layer which contains a stratiform compound. It is preferable that the stratiform compound is a compound having an aspect ratio of 20 or more.
- the dispersion of oxygen can be regulated so that the time-lapse stability is improved and the polymerization in the image-forming layer, if employed, is accelerated, thereby elevating the sensitivity and improving the printing durability.
- the stratiform compound which is distributed in laminate parallel to the support in the image-forming layer, and enhances the cohesion of the image-forming layer, thereby preventing the transfer onto a medium in contact (a paper board, etc.).
- the stratiform compound is arranged in laminate and prevents abrasion upon exposure in the case of using a high output laser in the exposure.
- the stratiform compound is a particle having a thin lamelar shape and examples thereof include mica, for example, natural mica represented by the following general formula: A (B, C) 2-5 D 4 O 10 (OH, F, O) 2 (II) wherein A represents any one of Li, K, Na, Ca, Mg and an organic cation; B and C each represents any one of Fe (II), Fe(III), Mn, Al, Mg and V; and D represents Si or Al; or synthetic mica, talc represented by the following formula: 3MgO ⁇ 4SiO ⁇ H 2 O, teniolite, montmorillonit, saponite, hectolite and zirconium phosphate.
- A represents any one of Li, K, Na, Ca, Mg and an organic cation
- B and C each represents any one of Fe (II), Fe(III), Mn, Al, Mg and V
- D represents Si or Al
- the natural mica as described above there can be enumerated muscovite, paragonite, phlogopite, biotite and lepidolite.
- the synthetic mica as described above there can be enumerated non-swellable mica such as fluorine phlogopite KMg 3 (AlSi 3 O 10 )F 2 or potassium tetrasilic mica KMg 2.5 (Si 4 O 10 )F 2 , and swellable mica such as Na tetrasimage-forming layeric mica NaMg 2.5 (Si 4 O 10 )F 2 , Na or Li teniolite (Na, Li)Mg 2 Li(Si 4 O 10 )F 2 , or montmorillonit based Na or Li hectolite (Na, Li) 1/8 Mg 2/5 Li 1/8 (Si 4 O 10 )F 2 . Synthetic smectite is also useful.
- fluorine based swellable mica which is a synthetic inorganic stratiform compound
- the swellable synthetic mica and an swellable clay mineral for example, montmorillonit, saponite, hectoliter or bentonite have a stratiform structure comprising a unit crystal lattice layer having a thickness of approximately 10 to 15 angstroms and metallic atom substitution in the lattices is extremely large in comparison with other clay minerals.
- the lattice layer results in lack of positive charge and to compensate it, cations, for example, Li + , Na + , Ca 2+ , Mg 2+ or organic cations are adsorbed between the lattice layers.
- cations for example, Li + , Na + , Ca 2+ , Mg 2+ or organic cations are adsorbed between the lattice layers.
- the inorganic stratiform compound swells with water. When share is applied under such condition, the stratiform crystal lattices are easily cleaved to form a stable sol in water, The bentnite and swellable synthetic mica have strong such tendency.
- the aspect ratio of the stratiform compound is preferably 20 or more, more preferably 100 or more, and particularly preferably 200 or more.
- the aspect ratio is a ratio of thickness to major axis of particle and can be determined, for example, from a projection drawing of particle by a microphotography. The larger the aspect ratio, the greater the effect obtained.
- the average particle size of the stratiform compound is preferably from 1 to 20 ⁇ m, more preferably from 1 to 10 ⁇ m, and particularly preferably from 2 to 5 ⁇ m.
- the average thickness of the particle is preferably 0.1 ⁇ m or less, more preferably 0.05 ⁇ m or less, and particularly preferably 0.01 ⁇ m or less.
- the thickness is approximately from 1 to 50 nm and the plain size is approximately from 1 to 20 ⁇ m.
- the strength of the coating increases and the penetration of oxygen or water can be effectively inhibited, thereby preventing degradation of the image-forming layer due to deformation. Also, even when the lithographic printing plate precursor is stored under a high humidity condition for a long period of time, degradation of the image-forming property of the lithographic printing plate precursor due to the variation of humidity is prevented and the excellent preservation stability is obtained.
- the content of the stratiform compound in the image-forming layer is preferably from 0.1 to 50% by weight, more preferably from 3 to 30% by weight and most preferably from 1 to 10% by weight. When multiple types of the stratiform compounds are used together, it is preferred that the total content of the stratiform compounds falls within the range as described above.
- a swellable stratiform compound that is exemplified as a preferred stratiform compound is added to 100 parts by weight of water to adapt thoroughly the compound to water and to be swollen, and then the mixture is dispersed using a dispersing machine.
- the dispersing machine used include, for example, a variety of mills conducting dispersion by directly applying mechanical power, a high-speed agitation type dispersing machine providing a large shear force and a dispersing machine providing ultrasonic energy of high intensity.
- the dispersion containing 5 to 10% by weight of the inorganic stratiform compound thus prepared is highly viscous or in the form of gel and exhibits extremely good preservation stability.
- the dispersion is diluted with water, thoroughly stirred and then blended to give the coating solution.
- the image-forming layer contains, as additional components, (A) an active ray absorbing agent, (B) a polymerization initiator, and (C) a polymerizable compound.
- an exposed area of the image-forming layer is hardened due to, for example, infrared exposure to form a hydrophobic (lipophilic) area.
- an unexposed area is quickly removed from the support by supplying dampening water, an ink or an emulsion comprising an ink and dampening water. That is, the image-forming layer serves as an image-forming layer which can be removed by a printing ink and/or dampening water.
- an infrared absorbing agent In the case of forming an image on the lithographic printing plate precursor of the invention with the use of a laser emitting infrared light of 760 to 1200 nm in wavelength as a light source, it is usually preferable to use an infrared absorbing agent.
- the infrared absorbing agent has a function of converting absorbed infrared light into heat and another function of being excited by the infrared light and then transferring electrons/energy to a polymerization initiator (a radical generator) as will be described hereinafter.
- the infrared absorbing agent to be used in the invention is a dye or a pigment having an absorption maximum in a wavelength range of 760 to 1200 nm.
- the dye includes azo dyes, metal complex azo dyes, pyrazolone azo dyes, naphthoquinone dyes, anthraquinone dyes, phthalocyanine dyes, carbonium dyes, quinoneimine dyes, methine dyes, cyanine dyes, squarylium dyes, pyrylium salts and metal thiolate complexes.
- Preferred examples of the dye include cyanine dyes described, for example, in JP-A-58-125246 , JP-A-59-84356 and JP-A-60-78787 ; methine dyes described, for example, in JP-A-58-173696 , JP-A-58-181690 and JP-A-58-194595 ; naphthoquinone dyes described, for example, in JP-A-58-112793 , JP-A-58-224793 , JP-A-59-48187 , JP-A-59-73996 , JP-A-60-52940 and JP-A-60-63744 ; squarylium dyes described, for example, in JP-A-58-112792 ; and cyanine dyes described, for example, in British Patent 434,875 .
- near infrared absorbing sensitizers described in U.S. Patent 5,156,938 are preferably used.
- substituted arylbenzo(thio)pyrylium salts described in U.S. Patent 3,881,924 are substituted arylbenzo(thio)pyrylium salts described in U.S. Patent 3,881,924 , trimethinethiapyrylium salts described in JP-A-57-142645 (corresponding to U.S.
- Patent 4,327,169 pyrylium compounds described in JP-A-58-181051 , JP-A-58-220143 , JP-A-59-41363 , JP-A-59-84248 , JP-A-59-84249 , JP-A-59-146063 and JP-A-59-146061 , cyanine dyes described in JP-A-59-216146 , pentamethinethiopyrylium salts described in U.S. Patent 4,283,475 , and pyrylium comounds described in JP-B-5-13514 and JP-B-5-19702 are also preferably used.
- Other preferred examples of the dye include near infrared absorbing dyes represented by formulae (I) and (II) described in U.S. Patent 4,756,993 .
- infrared absorbing dye of the invention there can be enumerated the following specific indolenine cyanine dyes described in JP-A-2002-278057 .
- cyanine dyes cyanine dyes, squarylium dyes, pyrylium dyes, nickel thiolate complexes and indolenine cyanine dyes are preferred. Cyanine dyes and indolenine cyanine dyes are more preferred.
- a cyanine dye represented by formula (i) shown below is exemplified.
- X 1 represents a hydrogen atom, a halogen atom, -NPh 2 , X 2 -L 1 or a group shown below:
- X 2 represents an oxygen atom, a nitrogen atom or a sulfur atom
- L 1 represents a hydrocarbon group having from 1 to 12 carbon atoms, an aromatic cyclic group containing a hetero atom or a hydrocarbon group having from 1 to 12 carbon atoms and containing a hetero atom.
- the hetero atom indicates a nitrogen atom, a sulfur atom, an oxygen atom, a halogen atom or a selenium atom.
- Xa - has the same meaning as Za - defined hereinafter
- R a represents a hydrogen atom or a substituent selected from an alkyl group, an aryl group, a substituted or unsubstituted amino group and a halogen atom.
- Ph represents a phenyl group.
- R 1 and R 2 each independently represents a hydrocarbon group having from 1 to 12 carbon atoms.
- R 1 and R 2 each represents a hydrocarbon group having two or more carbon atoms, and particularly preferably, R 1 and R 2 are combined with each other to form a 5-membered or 6-membered ring.
- Ar 1 and Ar 2 which may be the same or different, each represents an aromatic hydrocarbon group which may have a substituent.
- Preferred examples of the aromatic hydrocarbon group include a benzene ring and a naphthalene ring.
- preferred examples of the substituent include a hydrocarbon group having 12 or less carbon atoms, a halogen atom and an alkoxy group having 12 or less carbon atoms.
- Y' and Y 2 which may be the same or different, each represents a sulfur atom or a dialkylmethylene group having 12 or less carbon atoms.
- R 3 and R 4 which may be the same or different, each represents a hydrocarbon group having 20 or less carbon atoms which may have a substituent.
- R 5 , R 6 , R 7 and R 8 which may be the same or different, each represents a hydrogen atom or a hydrocarbon group having 12 or less carbon atoms. From the standpoint of the availability of raw materials, a hydrogen atom is preferred.
- Za' represents a counter anion. However, Za - is not necessary when the cyanine dye represented by formula (i) has an anionic substituent in the structure thereof so that neutralization of charge is not needed.
- Preferred examples of the counter ion for Za - include a halogen ion, a perchlorate ion, a tetrafluoroborate ion, a hexafluorophosphate ion and a sulfonate ion, and particularly preferred examples thereof include a perchlorate ion, a hexafluorophosphate ion and an arylsulfonate ion in view of the preservation stability of a coating solution for image-forming layer.
- cyanine dye represented by formula (i) which can be preferably used in the invention include those described in paragraphs [0017] to [0019] of JP-A-2001-133969 .
- the infrared absorbing agent is water-soluble.
- the infrared absorbing agent when it is water-insoluble, it can be incorporated by a method, for example, dispersion or dissolution in a mixed solvent.
- pigment used in the invention examples include commercially available pigments and pigments described in Colour Index (C.I.), Saishin Ganryo Binran (Handbook of Newest Pigments) compiled by Pigment Technology Society of Japan (1977 ), Saishin Ganryo Oyou Gijutsu (Newest Application Technologies of Pigments), CMC Publishing Co., Ltd. (1986 ) and Insatsu Ink Giiutsu (Printing Ink Technology), CMC Publishing Co., Ltd. (1984 ).
- the pigment examples include black pigments, yellow pigments, orange pigments, brown pigments, red pigments, purple pigments, blue pigments, green pigments, fluorescent pigments, metal powder pigments and polymer-bonded dyes.
- Specific examples of the pigment used include insoluble azo pigments, azo lake pigments, condensed azo pigments, chelated azo pigments, phthalocyanine pigments, anthraquinone pigments, perylene and perynone pigments, thioindigo pigments, quinacridone pigments, dioxazine pigments, isoindolinone pigments, quinophthalone pigments, dying lake pigments, azine pigments, nitroso pigments, nitro pigments, natural pigments, fluorescent pigments, inorganic pigments and carbon black.
- carbon black is preferred.
- the pigment may be used without undergoing surface treatment or may be used after conducting the surface treatment.
- a method of coating a resin or wax on the pigment surface a method of attaching a surfactant to the pigment surface and a method of bonding a reactive substance (for example, a silane coupling agent, an epoxy compound or polyisocyanate) to the pigment surface.
- a reactive substance for example, a silane coupling agent, an epoxy compound or polyisocyanate
- the surface treatment methods are described in Kinzoku Sekken no Seishitsu to Oyo (Properties and Applications of Metal Soap), Saiwai Shobo , Insatsu Ink Giiutsu (Printing Ink Technology), CMC Publishing Co., Ltd. (1984 ), and Saishin Ganryo Oyo Gijutsu (Newest Application Technologies of Pigments), CMC Publishing Co., Ltd. (1986 ).
- a particle size of the pigment is preferably in a range from 0.01 to 10 ⁇ m, more preferably in a range from 0.05 to 1 ⁇ m, particularly preferably in a range from 0.1 to 1 ⁇ m. In the above-described range, good stability of the pigment dispersion in a coating solution for image-forming layer and good uniformity of the image-forming layer can be obtained.
- a known dispersion technique for use in the production of ink or toner may be used.
- the dispersing machine include an ultrasonic dispersing machine, a sand mill, an attritor, a pearl mill, a super-mill, a ball mill, an impeller, a disperser, a KD mill, a colloid mill, a dynatron, a three roll mill and a pressure kneader.
- the dispersing methods are described in detail in Saishin Ganryo Oyo Gijutsu (Newest Application Technologies of Pigments), CMC Publishing Co., Ltd. (1986 ).
- Such an infrared absorbing agent may be added together with other components to a single layer. Alternatively, the infrared absorbing agent may be added to a layer which is separately formed.
- the infrared absorbing agent is added so that, in constructing a negative lithographic printing plate precursor, the image-forming layer shows an absorbance of from 0.3 to 1.2 (measured by the reflection method), preferably from 0.4 to 1.1, at the maximum absorption wavelength within a wavelength range of from 760 nm to 1200 nm. So long as the absorbance falls within this range, polymerization uniformly proceeds in the depth direction of the image-forming layer and thus a favorable film strength in an image area and an excellent adhesion to the support can be established.
- the absorbance of the image-forming layer can be controlled depending on the amount of the infrared absorbing agent to be added to the image-forming layer and the thickness of the image-forming layer.
- the absorbance can be measured by a method commonly employed. Examples of the measurement method include a method which comprises forming an image-forming layer having a thickness, which is appropriately determined within a range required as a lithographic printing plate precursor by considering the coating amount after drying, on a reflective support (aluminum, etc.) and then measuring the reflection density with an optical densitometer, a method of measuring the reflection by the reflection method with the use of an integral sphere by using a spectrophotometer, etc.
- a polymerization generator to be used in the invention means a compound which generates radicals by heat or light energy or both thereof and thus initiates and promotes the polymerization of a compound having a polymerizable unsaturated bond.
- the polymerization generator usable in the invention use may be made of publicly known thermal polymerization initiators, compounds having a bond with a low unbound energy, photopolymerization initiators and so on.
- the radical-generating compound appropriately usable in the invention means a compound which generates radicals by heat energy and thus initiates and promotes the polymerization of a compound having a polymerizable unsaturated bond.
- radical-generating compound usable in the invention use may be appropriately made of publicly known polymerization initiators, compounds having a bond with a low unbound energy and so on. Either one of such radical-generating compounds or a combination of two or more thereof may be used.
- radical-generating compound there can be enumerated organic halides, carbonyl compounds, organic peroxides, azo-type polymerization initiators, azide compounds, metallocene compounds, hexaaryl biimidazole compounds, organic boric acid compounds, disulfonic acid compounds, oxime ester compounds and onium salt compounds.
- the organic halogen compounds described above specifically include, for example, compounds described in Wakabayashi et al., Bull. Chem. Soc. Japan, 42, 2924 (1969 ), U.S. Patent 3,905,815 , JP-B-46-4605 , JP-A-48-36281 , JP-A-55-32070 , JP-A-60-239736 , JP-A-61-169835 , JP-A-61-169837 , JP-A-62-58241 , JP-A-62-212401 , JP-A-63-70243 , JP-A-63-298339 and M. P. Hutt, Journal of Heterocyclic Chemistry, 1, No. 3 (1970 ). Among thcm, oxazole compounds and s-triazine compounds each substituted with a trihalomethyl group are preferable.
- s-triazine derivatives in which at least one mono-, di- or tri-halogen substituted methyl group is connected to the s-triazine ring are exemplified.
- Specific examples thereof include 2,4,6-tris(monochloromethyl)-s-triazine, 2,4,6-tris(dichloromethyl)-s-triacine, 2,4,6-tris(trichloromethyl)-s-triazine, 2-methyl-4,6-bis(trichloromethyl)-s-triazine, 2-n-propyl-4,6-bis(trichloromethyl)-s-triazine, 2-( ⁇ , ⁇ , ⁇ -trichloroethyl)-4,6-bis(trichloromethyl)-s-triazine, 2-phenyl-4,6-bis(trichloromethyl)-s-triazine, 2-(p-methoxyphenyl)-4,6-bis(trichloromethyl)-s-tria
- the carbonyl compounds described above include, for example, benzophenonc derivatives, e.g., benzophenone, Michler's ketone, 2-methylbenzophenone, 3-methylbenzophenone, 4-methylbenzophenone, 2-chlorobenzophenone, 4-bromobenzophenone or 2-carboxybenzophenone, acetophenone derivatives, e.g., 2,2-dimethoxy-2-phenylacetophenone, 2,2-diethoxyacetophenone, 1-hydroxycyclohexylphenylketone, ⁇ -hydroxy-2-methylphenylpropane, 1-hydroxy-1-methylethyl-(p-isopropylphenyl)ketone, 1-hydroxy-1-(p-dodecylphenyl)ketone, 2-methyl-(4'-(methylthio)phenyl)-2-morpholino-1-propane or 1,1,1-trichloromethyl-(p-butylphenyl)ketone, thioxant
- the azo compounds described above include, for example, azo compounds described in JP-A-8-108621 .
- organic peroxides described above include, for example, trimethylcyclohexanone peroxide, acetylacetone peroxide, 1,1-bis(tert-butylperoxy)-3,3,5-trimethylcyclohexane, 1,1-bis(tert-butylperoxy)cyclohexane, 2,2-bis(tert-butylperoxy)butane, tert-butylhydroperoxide, cumene hydroperoxide, diisopropylbenzene hydroperoxide, 2,5-dimethylhexane-2,5-dihydroperoxide, 1,1,3,3-tetramethylbutyl hydroperoxide, tert-butylcumyl peroxide, dicumyl peroxide, 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane, 2,5-oxanoyl peroxide, succinic peroxide, benzoyl peroxide, 2,4-
- the metallocene compounds described above include, for example, various titanocenc compounds described in JP-A-59-152396 , JP-A-61-151197 , JP-A-63-41484 , JP-A-2-249 , JP-A-2-4705 and JP-A-5-83588 , for example, dicyclopentadienyl-Ti-bisphenyl, dicyclopentadienyl,Ti-bis-2,6-difluorophen-1-yl, dicyclopentadienyl-Ti-bis-2,4-difluorophen-1-yl, dicyclopentadienyl-Ti-bis-2,4,6-triafluorophen-1-yl, dicyclopentadienyl-Ti-bis-2,3,5,6-tetrafluorophen-1-yl, dicyclopentadienyl-Ti-bis-2,3,4,5,6-pentafluorophen-1-
- hexaarylbiimidazole compounds described above include, for example, various compounds described in JP-B-6-29285 and U.S. Patents 3,479,185 , 4,311,783 and 4,622,286 , specifically, for example, 2,2'-bis(o-chlorophenyl)-4,4',5,5'-tetraphenylbiimidazole, 2,2'-bis(o-bromophenyl)-4,4',5,5'-tetraphenylbiimidazole, 2,2'-bis(o,p-dichlorophenyl)-4,4',3,5'-tetraphenylbiimidazole, 2,2'-bis(o-chlorophenyl)-4,4',5,5'-tetra(m-methoxyphenyl)biimidazole, 2,2'-bis(o,o'-dichlorophenyl)-4,4',5,5'-tetraphen
- organic boron compounds described above include, for example, organic boric acid salts described in JP-A-62-143044 , JP-A-62-150242 , JP-A-9-188685 , JP-A-9-188686 , JP-A-9-188710 , JP-A-2000-131837 , JP-A-2002-107916 , Japanese Patent No. 2764769 , JP-A-2002-116539 and Martin Kunz, Rad Tech '98, Proceeding.
- the disulfone compounds described above include, for example, compounds described in JP-A-61-166544 and JP-A-2003-328465 .
- the oximester compounds described above include, for example, compounds described in J. C. S. Perkin II, 1653-1660 (1979 ), J. C. S. Perkin II. 156-162 (1979 ), Journal of Photopolymer Science and Technology, 202-232 (1995 ) and JP-A-2000-66385 , and compounds described in JP-A-2000-80068 , and specifically, compounds represented by the following formulae:
- the onium salt compounds described above include, for example, diazonium salts described in S. I. Schlesinger, Photogr. Sci. Eng., 18, 387 (1974 ) and T. S. Bal et al., Polymer, 21, 423 (1980 ), ammonium salts described in U.S. Patent 4,069,055 and JP-A-4-365049 , phosphonium salts described in U.S. Patents 4,069,055 and 4,069,056 , iodonium salts described in European Patent 104,143 , U.S.
- the above-described oximester compounds and onium salt compounds are particularly preferably exemplified.
- the onium salt compound functions not as an acid generator, but as an ionic radical polymerization initiator,
- the onium salt compounds preferably used in the invention include onium salts represented by the following formulae (RI-I) to (RI-III):
- Ar 11 represents an aryl group having 20 or less carbon atoms, which may have 1 to 6 substituents.
- Preferred example of the substituent includes an alkyl group having from 1 to 12 carbon atoms, an alkenyl group having from 2 to 12 carbon atoms, an alkynyl group having from 2 to 12 carbon atoms, an aryl group having from 6 to 12 carbon atoms, an alkoxy group having from 1 to 12 carbon atoms, an aryloxy group having from 6 to 12 carbon atoms, a halogen atom, an alkylamino group having from 1 to 12 carbon atoms, a dialkylimino group having from 2 to 12 carbon atoms, an alkylamido group or arylamido group having from 2 to 12 carbon atoms, a carbonyl group, a carboxy group, a cyano group, a sulfonyl group, an thioalkyl group having from 1 to 12 carbon atoms and an thi
- Z 11 - represents a monovalent anion.
- the monovalent anion include a halogen ion, a perchlorate ion, a hexafluorophosphate ion, a tetrafluoroborate ion, a sulfonate ion, a sulfinate ion, a thosulfonate ion and a sulfate ion.
- the perchlorate ion, hexafluorophosphate ion, tetrafluoroborate ion, sulfonate ion and sulfinate ion are preferred in view of the stability.
- Ar 21 and Ar 22 each independently represents an aryl group having 20 or less carbon atoms, which may have 1 to 6 substituents.
- Preferred example of the substituent includes an alkyl group having from 1 to 12 carbon atoms, an alkenyl group having from 2 to 12 carbon atoms, an alkynyl group having from 2 to 12 carbon atoms, an aryl group having from 6 to 12 carbon atoms, an alkoxy group having from 1 to 12 carbon atoms, an aryloxy group having from 6 to 12 carbon atoms, a halogen atom, an alkylamino group having from 1 to 12 carbon atoms, a dialkylimino group having from 2 to 12 carbon atoms, an alkylamido group or arylamido group having from 2 to 12 carbon atoms, a carbonyl group, a carboxy group, a cyano group, a sulfonyl group, an thioalkyl group having from 1 to 12 carbon
- Z 21 - represents a monovalent anion.
- the monovalent anion include a halogen ion, a perchlorate ion, a hexafluorophosphate ion, a tetrafluoroborate ion, a sulfonate ion, a sulfinate ion, a thosulfonate ion, a sulfate ion and a carboxylate ion.
- the perchlorate ion, hexafluorophosphate ion, tetrafluoroborate ion, sulfonate ion, sulfinate ion and carboxylate ion are preferred in view of the stability and reactivity.
- R 31 , R 32 and R 33 each independently represents an aryl group, alkyl group, alkenyl group or alkynyl group having 20 or less carbon atoms, which may have 1 to 6 substituents.
- the aryl group is preferred in view of the reactivity and stability.
- Preferred example of the substituent includes an alkyl group having from 1 to 12 carbon atoms, an alkenyl group having from 2 to 12 carbon atoms, an alkynyl group having from 2 to 12 carbon atoms, an aryl group having from 6 to 12 carbon atoms, an alkoxy group having from 1 to 12 carbon atoms, an aryloxy group having from 6 to 12 carbon atoms, a halogen atom, an alkylamino group having from 1 to 12 carbon atoms, a dialkylimino group having from 2 to 12 carbon atoms, an alkylamido group or arylamido group having from 2 to 12 carbon atoms, a carbonyl group, a carboxy group, a cyano group, a sulfonyl group, an thioalkyl group having from 1 to 12 carbon atoms and an thioaryl group having from 6 to 12 carbon atoms.
- Z 31 - represents a monovalent anion.
- the monovalent anion include a halogen ion, a perchlorate ion, a hexafluorophosphate ion, a tetrafluoroborate ion, a sulfonate ion, a sulfinate ion, a thosulfonate ion and a sulfate ion.
- the perchlorate ion, hexafluorophosphate ion, tetrafluoroborate ion, sulfonate ion, sulfinate ion and carboxylate ion are preferred in view of the stability and reactivity.
- carboxylate ions described in JP-A-2001-343742 are more preferably exemplified, and carboxylate ions described in JP-A-2002-148790 are particularly preferably exemplified.
- These polymerization initiators can be added preferably in an amount of from 0.1 to 50% by weight, based on the total solid content of the image-forming layer, more preferably from 0.5. to 30% by weight and particularly preferably from 1 to 20% by weight. Within the above range, a high sensitivity and favorable stain-resistance in a non-image area in the course of printing can be established. Either one of these polymerization initiators or a combination of two or more thereof may be used. Such a polymerization initiator may be added together with other components to a single layer. Alternatively, it may be added to a layer which is separately formed.
- the polymerizable compound used in the image-forming layer according to the invention is an addition-polymerizable compound having at least one ethylenically unsaturated double bond and it is selected from compounds having at least one, preferably two or more, terminal ethylenically unsaturated double bonds.
- Such compounds are broadly known in the field of art and they can be used in the invention without any particular limitation.
- the compound has a chemical form, for example, a monomer, a prepolymer, specifically, a dimer, a trimer or an oligomer, or a copolymer thereof, or a mixture thereof.
- Examples of the monomer and copolymer thereof include unsaturated carboxylic acids (for example, acrylic acid, methacrylic acid, itaconic acid, crotonic acid, isocrotonic acid or maleic acid) and esters or amides thereof.
- unsaturated carboxylic acids for example, acrylic acid, methacrylic acid, itaconic acid, crotonic acid, isocrotonic acid or maleic acid
- esters or amides thereof Preferably, esters of an unsaturated carboxylic acid with an aliphatic polyhydric alcohol compound and amides of an unsaturated carboxylic acid with an aliphatic polyvalent amine compound are used.
- An addition reaction product of an unsaturated carboxylic acid ester or amide having a nucleophilic substituent, for example, a hydroxy group, an amino group or a mercapto group, with a monofunctional or polyfunctional isocyanate or epoxy, or a dehydration condensation reaction product of the unsaturated carboxylic acid ester or amide with a monofunctional or polyfunctional carboxylic acid is also preferably used.
- an addition reaction product of an unsaturated carboxylic acid ester or amide having an electrophilic substituent for example, an isocyanato group or an epoxy group with a monofunctional or polyfunctional alcohol, amine or thiol, or a substitution reaction product of an unsaturated carboxylic acid ester or amide having a releasable substituent, for example, a halogen atom or a tosyloxy group with a monofunctional or polyfunctional alcohol, amine or thiol is also preferably used.
- compounds in which the unsaturated carboxylic acid described above is replaced by an unsaturated phosphonic acid, styrene, vinyl ether or the like can also be used.
- the monomer which is an ester of an aliphatic polyhydric alcohol compound with an unsaturated carboxylic acid
- acrylic acid esters for example, ethylene glycol diacrylate, triethylene glycol diacrylate, 1,3-butanediol diacrylate, tetramethylene glycol diacrylate, propylene glycol diacrylate, neopentyl glycol diacrylate, trimethylolpropane triacrylate, trimethylolpropane tri(acryloyloxypropyl) ether, trimethylolethane triacrylate, hexanediol diacrylate, 1,4-cyclohexanediol diacrylate, tetraethylene glycol diacrylate, pentaerythritol diacrylate, pentaerythritol triacrylate, pentaerythritol tetraacrylate, dipentaerythritol diacrylate, dipentaerythritol hexaned
- ester which can be preferably used, include aliphatic alcohol esters described in JP-B-51-47334 and JP-A-57-196231 , esters having an aromatic skeleton described in JP-A-59-5240 , JP-A-59-5241 and JP-A-2-226149 , and esters containing an amino group described in JP-A-1-165613 .
- ester monomers can also be used as a mixture.
- the monomer which is an amide of an aliphatic polyvalent amine compound with an unsaturated carboxylic acid
- the monomer which is an amide of an aliphatic polyvalent amine compound with an unsaturated carboxylic acid
- examples of the monomer include methylene bisacrylamide, methylene bismethacrylamide, 1,6-hexamethylene bisacrylamide, 1,6-hexamethylene bismethacrylamide, diethylenetriamine trisacrylamide, xylylene bisacrylamide and xylylene bismethacrylamide.
- Other preferred examples of the amide monomer include amides having a cyclohexylene structure described in JP-B-54-21726 .
- Urethane type addition polymerizable compounds produced using an addition reaction between an isocyanate and a hydroxy group are also preferably used, and specific examples thereof include vinylurethane compounds having two or more polymerizable vinyl groups per molecule obtained by adding a vinyl monomer containing a hydroxy group represented by formula (II) shown below to a polyisocyanate compound having two or more isocyanate groups per molecule, described in JP-B-48-41708 .
- CH 2 C(R 4 )COOCH 2 CH(R 5 )OH (II) wherein R 4 and R 5 each independently represents H or CH 3 .
- urethane acrylates described in JP-A-51-37193 , JP-B-2-32293 and JP-B-2-16765 and urethane compounds having an ethylene oxide skeleton described in JP-B-58-49860 , JP-B-56-17654 , JP-B-62-39417 and JP-B-62-39418 are preferably used: Furthermore, a photopolymerizable composition having remarkably excellent photosensitive speed can be obtained by using an addition polymerizable compound having an amino structure or a sulfide structure in its molecule, described in JP-A-63-277653 , JP-A-63-260909 and JP-A-1-105238 .
- polyfunctional acrylates and methacrylates for example, polyester acrylates and epoxy acrylates obtained by reacting an epoxy resin with (meth)acrylic acid, described in JP-A-48-64183 , JP-B-49-43191 and JP-B-52-30490 .
- Specific unsaturated compounds described in JP-B-46-43946 , JP-B-1-40337 and JP-B-1-40336 , and vinylphosphonic acid type compounds described in JP-A-2-25493 can also be exemplified.
- structure containing a perfluoroalkyl group described in JP-A-51-22048 can be preferably used, Moreover, photocurable monomers or oligomers described in Nippon Secchaku Kyokaishi (Journal of Japan Adhesion Society), Vol. 20, No. 7, pages 300 to 308 (1984) can also be used.
- the method of using the polymerizable compound for example, selection of the structure, individual or combination use, or an amount added, can be appropriately arranged depending on the characteristic design of the final lithographic printing plate precursor.
- the compound is selected from the following standpoints.
- a structure having a large content of unsaturated groups per molecule is preferred and in many cases, a bifunctional or more functional compound is preferred.
- a trifunctional or more functional compound is preferred.
- a combination use of compounds different in the functional number or in the kind of polymerizable group is an effective method for controlling both the sensitivity and the strength.
- the selection and use method of the polymerizable compound are also important factors for the compatibility and dispersibility with other components (for example, a binder polymer, a polymerization initiator or a coloring agent) in the image-forming layer.
- the compatibility may be improved in some cases by using the compound of low purity or using two or more kinds of the compounds in combination.
- a specific structure may be selected for the purpose of improving an adhesion property to a support.
- the polymerizable compound is preferably used in an amount from 5 to 80% by weight, more preferably from 25 to 75% by weight, based on the total solid content of the image-forming layer.
- the polymerizable compounds may be used individually or in combination of two or more thereof.
- the structure, blend and amount added can be appropriately selected by taking account of the extent of polymerization inhibition due to oxygen, resolution, fogging property, change in refractive index, surface adhesion and the like. Further, depending on the case, a layer construction, for example, an undercoat layer or an overcoat layer, and a coating method, may also be considered.
- a binder polymer can bee used in order to improve the film characteristic and on-machine developing property of the image-forming layer.
- the binder polymers those heretofore known can be used without restriction, and polymers having a film forming property are preferred.
- the binder polymer include acrylic resins, polyvinyl acetal resins, polyurethane resins, polyurea resins, polyimide resins, polyamide resins, epoxy resins, methacrylic resins, polystyrene resins, novolac type phenolic resins, polyester resins, synthesis rubbers and natural rubbers.
- the binder polymer may have a crosslinkable property in order to improve the film strength of the image area.
- a crosslinkable, functional group for example, an ethylenically unsaturated bond is introduced into a main chain or side chain of the polymer.
- the crosslinkable functional group may be introduced by copolymerization.
- Examples of the polymer having an ethylenically unsaturated bond in the main chain thereof include poly-1,4-butadiene and poly-1,4-isoprene.
- Examples of the polymer having an ethylenically unsaturated bond in the side chain thereof include a polymer of an ester or amide of acrylic acid or methacrylic acid, which is a polymer wherein the ester or amide residue (R in -COOR or -CONHR) has an ethylenically unsaturated bond.
- X represents a dicyclopentadien
- the binder polymer having crosslinkable property is hardened, for example, by adding a free radical (a polymerization initiating radical or a growing radical of a polymerizable compound during polymerization) to the crosslinking functional group of the polymer and undergoing addition polymerization between the polymers directly or through a polymerization chain of the polymerizable compound to form crosslinkage between the polymer molecules.
- a free radical a polymerization initiating radical or a growing radical of a polymerizable compound during polymerization
- it is hardened by generation of a polymer radical upon extraction of an atom in the polymer (for example, a hydrogen atom on a carbon atom adjacent to the functional crosslinking group) by a free radial and connecting the polymer radicals with each other to form cross-linkage between the polymer molecules.
- a content of the crosslinkable group in the binder polymer is preferably from 0.1 to 10.0 mmol, more preferably from 1.0 to 7.0 mmol and most preferably from 2.0 to 5.5 mmol, based on 1 g of the binder polymer. In the above-described range, preferable sensitivity and good preservation stability can be obtained.
- the binder polymer has high solubility or dispersibility in ink and/or dampening water.
- the binder polymer is preferably oleophilic and in order to improve the solubility or dispersibility in the dampening water, the binder polymer is preferably hydrophilic. Therefore, it is effective in the invention that an oleophilic binder polymer and a hydrophilic binder polymer are used in combination.
- the hydrophilic binder polymer preferably includes, for example, a polymer having a hydrophilic group, for example, a hydroxy group, a carboxy group, a carboxylate group, a hydroxyethyl group, a polyoxyethyl group, a hydroxypropyl group, a polyoxypropyl group, an amino group, an aminoethyl group, an aminopropyl group, an ammonium group, an amido group, a carboxymethyl group, a sulfonic acid group or a phosphoric acid group.
- a hydrophilic group for example, a hydroxy group, a carboxy group, a carboxylate group, a hydroxyethyl group, a polyoxyethyl group, a hydroxypropyl group, a polyoxypropyl group, an amino group, an aminoethyl group, an aminopropyl group, an ammonium group, an amido group, a carboxymethyl group, a sulfonic
- ком ⁇ онентs thereof include gum arabic, casein, gelatin, a starch derivative, carboxy methyl cellulose and a sodium salt thereof, cellulose acetate, sodium alginate, vinyl acetate-maleic acid copolymer, styrene-maleic acid copolymer, polyacrylic acid and a salt thereof, polymethacrylic acid and a salt thereof, a homopolymer or copolymer of hydroxyethyl methacrylate, a homopolymer or copolymer of hydroxyethyl acrylate, a homopolymer or copolymer of hydroxypropyl methacrylate, a homopolymer or copolymer of hydroxypropyl acrylate, a homopolymer or copolymer of hydroxybutyl methacrylate, a homopolymer or copolymer of hydroxybutyl acrylate, a polyethylene glycol, a hydroxypropylene polymer, a polyvinyl
- a weight average molecular weight of the binder polymer is preferably 5,000 or more, more preferably from 10,000 to 300,000.
- a number average molecular weight of the binder polymer is preferably 1,000 or more, more preferably from 2,000 to 250,000.
- the polydispersity (weight average molecular weight/number average molecular weight) thereof is preferably from 1.1 to 10.
- the content of the binder polymer is preferably from 5 to 90% by weight, more preferably from 5 to 80% by weight and more preferably from 10 to 70% by weight, based on the total solid content of the image-forming layer. In the above-described range, a high strength of the image area and favorable image-forming property can be obtained.
- the ratio by weight of the polymerizable compound to the binder polymer used is preferably from 0.5/1 to 4/1.
- a molecule-dispersion type image forming layer is obtained by dissolving the components in an appropriate solvent and coating, as described in, for example, JP-A-2002-287334 .
- all or a part of the components are encapsulated in fine particles and contained in the image-forming layer, i.e., a fine particle type image forming layer as described in, for example, JP-A-2001-277740 and JP-A-2001-27742 .
- the fine particle type image-forming layer may further contain component(s) outside the fine particles.
- the fine particle-type image-forming layer has hydrophobic constituting components encapsulated in the fine particles while hydrophilic constituting components outside the fine particles.
- the image-forming layer is a fine particle-type image-forming layer.
- Methods of producing the fine particle include, for example, a method of utilizing coacervation described in U.S. Patents 2,800,457 and 2,800,458 , a method of using interfacial polymerization described in U.S. Patent 3,287,154 , JP-B-38-19574 and JP-B-42-446 , a method of using deposition of polymer described in U.S. Patents 3,418,250 and 3,660,304 , a method of using an isocyanate polyol wall material described in U.S.
- Patent 3,796,669 a method of using an isocyanate wall material described in U.S. Patent 3,914,511 , a method of using a urea-formaldehyde-type or urea-formaldehyde-resorcinol-type wall-forming material described in U.S. Patens 4,001,140 , 4,087,376 and 4,089,802 , a method of using a wall material, for example, a melamine-formaldehyde resin or hydroxycellulose described in U.S.
- Patent 4,025,445 an in-situ method by monomer polymerization described in JP-B-36-9163 and JP-B-51-9079 , a spray drying method described in British Patent 930,422 and U.S. Patent 3,111,407 , and an electrolytic dispersion cooling method described in British Patents 952,807 and 967,074 , but the invention should not be construed as being limited thereto.
- a preferred fine particle wall to be used in the invention has three-dimensional crosslinkage and has a solvent-swellable property.
- a preferred wall material of the fine particle includes polyurea, polyurethane, polyester, polycarbonate, polyamide and a mixture thereof and particularly polyurea and polyurethane are preferred.
- a compound having a crosslinkable functional group, for example, an ethylenically unsaturated bond, capable of being introduced into the binder polymer described above may be introduced into the wall of fine particle.
- the average particle size of the fine particle is preferably from 0.01 to 3.0 ⁇ m, more preferably from 0.05 to 2.0 ⁇ m and particularly preferably from 0.10 to 1.0 ⁇ m. In the above-described range, preferable resolution and preservation stability can be achieved.
- a surfactant in the image-forming layer in order to promote the on-machine developing property at the start of printing and to improve the state of coated surface.
- the surfactant includes, for example, a nonionic surfactant, an anionic surfactant, a cationic surfactant, an amphoteric surfactant and a fluorine-based surfactant.
- the surfactants may be used individually or in combination of two or more thereof.
- the nonionic surfactant used in the invention is not particular restricted, and those hitherto known can be used.
- the nonionic surfactant include polyoxyethylene alkyl ethers, polyoxyethylene alkylphenylethers, polyoxyethylene polystyrylphenyl ethers, polyoxyethylene polyoxypropylene alkyl ethers, glycerin fatty acid partial esters, sorbitan fatty acid partial esters, pentaerythritol fatty acid partial esters, propylene glycol monofatty acid esters, sucrose fatty acid partial esters, polyoxyethylene sorbitan fatty acid partial esters, polyoxyethylene sorbitol fatty acid partial esters, polyethylene glycol fatty acid esters, polyglycerol fatty acid partial esters, polyoxyethylcnated castor oils, polyoxyethylene glycerol fatty acid partial esters, fatty acid diethanolamides, N,N-bis-2-hydroxyalkylamines, polyoxyethylene alkyl
- the anionic surfactant used in the invention is not particularly restricted and those hitherto known can be used.
- the anionic surfactant include fatty acid salts, abietic acid salts, hydroxyalkanesulfonic acid salts, alkanesulfonic acid salts, dialkylsulfosuccinic ester salts, straight-chain alkylbenzenesulfonic acid salts, branched alkylbenzenesulfonic acid salts, alkylnaphthalenesulfonic acid salts, alkylphenoxypolyoxy ethylene propylsulfonic acid salts, polyoxyethylene alkylsulfophenyl ether salts, N-methyl-N-olcyltaurine sodium salt, N-alkylsulfosuccinic monoamide disodium salts, petroleum sulfonic acid salts, sulfated beef tallow oil, sulfate ester slats of fatty acid alkyl este
- the cationic surfactant used in the invention is not particularly restricted and those hitherto known can be used.
- Examples of the cationic surfactant include alkylamine salts, quaternary ammonium salts, polyoxyethylene alkyl amine salts and polyethylene polyamine derivatives.
- amphoteric surfactant used in the invention is not particularly restricted and those hitherto known can be used.
- amphoteric surfactant include carboxybetaines, aminocarboxylic acids, sulfobetaines, aminosulfuric esters, and imidazolines.
- polyoxyethylene can be replaced with “polyoxyalkylene", for example, polyoxymethylene, polyoxypropylene or polyoxybutylene, and such surfactants can also be used in the invention.
- a preferred surfactant includes a fluorine-based surfactant containing a perfluoroalkyl group in its molecule.
- the fluorine-based surfactant include an anionic type, for example, perfluoroalkyl carboxylates, perfluoroalkyl sulfonates or perfluoroalkylphosphates; an amphoteric type, for example, perfluoroalkyl betaines; a cationic type, for example, perfluoroalkyl trimethyl ammonium salts; and a nonionic type, for example, perfluoroalkyl amine oxides, perfluoroalkyl ethylene oxide adducts, oligomers having a perfluoroalkyl group and a hydrophilic group, oligomers having a perfluoroalkyl group and an oleophilic group, oligomers having a perfluoroalkyl group, a hydrophilic group and an oleophilic group,
- the surfactants may be used individually or in combination of two or more thereof.
- a content of the surfactant is preferably from 0.001 to 10% by weight, more preferably from 0.01 to 5% by weight, based on the total solid content of the image-forming layer.
- a dye having a large absorption in the visible region can be used as a coloring agent of the image formed.
- the dye includes Oil yellow #101, Oil yellow #103, Oil pink #312, Oil green BG, Oil blue BOS, Oil blue #603, Oil black BY, Oil black BS, Oil black T-505 (manufactured by Orient Chemical Industries, Ltd.), Victoria pure blue. Crystal violet (CI42555), Methyl violet (CI42535), Ethyl violet, Rhodamine B (CI45170B), Malachite green (CI42000), Methylene blue (CI52015) and dyes described in JP-A-62-293247 .
- a pigment for example, a phthalocyanine pigment, an azo pigment, carbon black or titanium oxide can also preferably be used.
- An amount of the coloring agent added is preferably from 0.01 to 10% by weight based on the total solid content of the image-forming layer.
- a compound causing discoloration by an acid or a radical can be added in order to form a print-out image.
- various kinds of dyes for example, dyes of diphenylmethane type, triphenylmethane type, triazine type, oxazine type, xanthene type, anthraquinone type, iminoquinone type, azo type and azomethine type are effectively used.
- dyes for example, Brilliant green, Ethyl violet, Methyl green, Crystal violet, basic Fuchsine, Methyl violet 2B, Quinaldine red, Rose Bengal, Methanyl yellow, Thimol sulfophthalein, Xylenol blue, Methyl orange, Paramethyl red, Congo red, Benzo purpurin 4B, ⁇ -Naphthyl red, Nile blue 2B, Nile blue A, Methyl violet, Malachite green, Parafuchsine, Victoria pure blue BOH (produced by Hodogaya Chemical Co., Ltd.), Oil blue #603 (produced by Orient Chemical Industries, Ltd.), Oil pink #312 (produced by Orient Chemical Industries, Ltd.), Oil red 5B (produced by Orient Chemical Industries, Ltd.), Oil scarlet #308 (produced by Orient Chemical Industries, Ltd.), Oil red OG (produced by Orient Chemical Industries, Ltd.), Oil red RR (produced by Orient Chemical Industries, Ltd.), Oil green #50
- dyes
- a leuco dye known as a material for heat-sensitive paper or pressure-sensitive paper is also preferably used.
- Specific examples thereof include crystal violet lactone, malachite green lactone, benzoyl leuco methylene blue, 2-(N-phenyl-N-methylamino)-6-(N-p-tolyl-N-ethyl)aminofluoran, 2-anilino-3-methyl-6-(n-ethyl-p-tolidino)fluoran, 3,6-dimethoxyfluoran, 3-(N,N-diethylamino)-5-methyl-7-(N,N-dibenzylamino)fluoran, 3-(N-cyclohexyl-N-methylamino)-6-methyl-7-anilinofluoran, 3-(N-N-diethylamino)-6-methyl-7-anilinofluoran, 3-(N,N-diethylamino)-b-methyl-7-x
- the dye discolored by an acid or radical is preferably added in an amount of 0.01 to 10% by weight based on the solid content of the image-forming layer.
- thermo polymerization inhibitor it is preferred to add a small amount of a thermal polymerization inhibitor to the image-forming layer according to the invention in order to prevent undesirable thermal polymerization of the polymerizable compound (C) during the production or preservation of the image-forming layer.
- the thermal polymerization inhibitor preferably includes, for example, hydroquinone, p-methoxyphenol, di-tert-butyl-p-cresol, pyrogallol, tert-butyl catechol, benzoquinone, 4,4'-thiobis(3-methyl-6-tert-butylphenol), 2,2' -methylenebis(4-methyl-6-tert-butylphenol) and N-nitroso-N-phenylhydroxylamine aluminum salt.
- the thermal polymerization inhibitor is preferably added in an amount of about 0.01 to about 5% by weight based on the total solid content of the image-forming layer.
- a higher fatty acid derivative for example, behenic acid or behenic acid amide may be added to localize on the surface of the image-forming layer during a drying step after coating in order to avoid polymerization inhibition due to oxygen.
- An amount of the higher fatty acid derivative added is preferably from about 0.1 to about 10% by weight based on the total solid content of the image-forming layer.
- the image-forming layer according to the invention may also contain a plasticizer in order to improve the on-machine developing property.
- the plasticizer preferably includes, for example, a phthalic acid ester, e.g., diemthylphthalate, diethylphthalate, dibutylphthalate, diisobutylphthalate, dioctylphthalate, octylcaprylphthalate, dicyclohexylphthalate, ditridecylphthalate, butylbenzylphthalate, diisodecylphthalate or diallylphthalate; a glycol ester, e.g., dimethylglycolphthalate, ehtylphtalylethylglycolate, methylphthalylethylglycolate, butylphthalylbutylglycolate or triethylene glycol dicaprylate ester; a phosphoric acid ester, e.g., tricresylphosphate or trip
- the plasticizer is preferably added in an amount of about 30% by weight or less based on the total solid content of the image-forming layer.
- the image-forming layer according to the invention may contain a hydrophilic low molecular weight compound in order to improve the on-machine developing property.
- the hydrophilic low molecular weight compound includes a water soluble organic compound, for example, a glycol compound, e.g., ethylene glycol, diethylene glycol, triethylene glycol, propylene glycol, dipropylene glycol or tripropylene glycol, or an ether or ester derivative thereof, a polyhydroxy compound, e.g., glycerine or pentaerythritol, an organic amine, e.g., triethanol amine, diethanol amine or monoethanol amine, or a salt thereof, an organic sulfonic acid, e.g., toluene sulfonic acid or benzene sulfonic acid, or a salt thereof, an organic phosphonic acid, e.g., phenyl phosphonic acid, or a salt thereof, an organic carboxylic acid,
- a molecule-dispersion type image-forming layer is obtained by dissolving the components in an appropriate solvent and coating, as described in, for example, JP-A-2002-287334 .
- all or a part of the components are microcapsulated and contained in the image forming layer, i.e., a microcapsule type image-forming layer as described in, for example, JP-A-2001-277740 and JP-A-2001-27742 .
- the microcapsule type image-forming layer may further contain component(s) outside the microcapsules.
- the fine microcapsule type image-forming layer has hydrophobic constituting components encapsulated in the microcapsules while hydrophilic constituting components outside the fine particles.
- the image-forming layer contains crosslinked resin particles, i.e., a microgel.
- This microgel can contain a part of the constituting components in it and/or on the surface thereof. From the viewpoints of image-forming sensitivity and printing durability, an embodiment using a reactive microgel having a polymerizable compound on the surface thereof is particularly preferred.
- the image-forming layer is a microcapsule type or microgel type image-forming layer.
- Methods of producing the microcapsules include, for example, a method of utilizing coacervation described in U.S. Patents 2,800,457 and 2,800,458 , a method of using interfacial polymerization described in U.S. Patent 3,287,154 , JP-B-38-19574 and JP-B-42-446 , a method of using deposition of polymer described in U.S. Patents 3,418,250 and 3,660,304 , a method of using an isocyanate polyol wall material described in U.S. Patent 3,796,669 , a method of using an isocyanate wall material described in U.S.
- Patent 3,914,511 a method of using a urea-formaldehyde-type or urea-formaldehyde-resorcinol-type wall-forming material described in U.S. Patens 4,001,140 , 4,087,376 and 4,089,802 , a method of using a wall material, for example, a melamine-formaldehyde resin or hydroxycellulose described in U.S. Patent 4,025,445 , an in-situ method by monomer polymerization described in JP-B-36-9163 and JP-B-51-9079 , a spray drying method described in British Patent 930,422 and U.S. Patent 3,111,407 , and an electrolytic dispersion cooling method described in British Patents 952,807 and 967,074 , but the invention should not be construed as being limited thereto.
- a preferred microcapsule wall to be used in the invention has three-dimensional crosslinkage and has a solvent-swellable property.
- a preferred wall material of the fine particle includes polyurea, polyurethane, polyester, polycarbonate, polyamide and a mixture thereof and particularly polyurea and polyurethane are preferred.
- a compound having a crosslinkable functional group, for example, an ethylenically unsaturated bond, capable of being introduced into the binder polymer described above may be introduced into the wall of fine particle.
- methods of producing the microgel include, for example, use can be made of a granulation method of using interfacial polymerization described in U.S. Patent 3,287,154 , JP-B-38-19574 and JP-B-42-446 , and a granulation method using dispersion polymerization in a non-aqueous system described in JP-A-5-61214 , but the invention should not be construed as being limited thereto.
- a preferred microgel to be used in the invention is one having been granulated by interfacial polymerization and having three-dimensional crosslinkage. From this point of view, a preferred material to be used therefor includes polyurea, polyurethane, polyester, polycarbonate, polyamide and a mixture thereof and particularly polyurea and polyurethane are preferred.
- the average particle size of the microcapsule or microgel as described above is preferably from 0.01 to 3.0 ⁇ m, more preferably from 0.05 to 2.0 ⁇ m and particularly preferably from 0.10 to 1.0 ⁇ m. In the above-described range, preferable resolution and preservation stability can be achieved.
- the image-forming layer according to the invention is formed by dissolving or dispersing each of the necessary constituting components described above in a solvent according the manner described above to prepare a coating solution and then coating the solution.
- the solvent used include, for example, ethylene dichloride, cyclohexanone, methyl ethyl ketone, methanol, ethanol, propanol, ethylene glycol monomethyl ether, 1-methoxy-2-propanol, 2-methoxyethyl acetat, 1-methoxy-2-propyl acetate, dimethoxyethane, methyl lactate, ethyl lactate, N,N-dimethylacetoamide, N,N-dimethylformamide, tetramethylurea, N-methylpyrrolidone, dimethylsulfoxide, sulfolane, ⁇ -butyrolactone, toluene and water, but the invention should not be construed as being limited thereto.
- the solvents may
- the image-forming layer according to the invention may also be formed by preparing plural coating solutions by dispersing or dissolving the same or different components described above into the same or different solvents and conducting repeatedly plural coating and drying.
- a coating amount of the image-forming layer (solid content) on the support obtained after coating and drying is preferably from 0.3 to 3.0 g/m 2 and more preferably from 0.5 to 1.5 g/m 2 . Within this range, a high sensitivity and favorable co0ating film characteristics of the image-forming layer can be obtained.
- Various methods can be used for the coating, Examples of the method include bar coater coating, spin coating, spray coating, curtain coating, dip coating, air knife coating, blade coating and roll coating.
- the support for use in the lithographic printing plate precursor according to the invention is not particularly restricted as long as it is a dimensionally stable plate-like material.
- the support includes, for example, paper, paper laminated with plastic (for example, polyethylene, polypropylene or polystyrene), a metal plate (for example, aluminum, zinc or copper plate), a plastic film (for example, cellulose diacetate, cellulose triacetate, cellulose propionate, cellulose butyrate, cellulose acetatebutyrate, cellulose nitrate, polyethylene terephthalate, polyethylene, polystyrene, polypropylene, polycarbonate or polyvinyl acetal film) and paper or a plastic film laminated or deposited with the metal described above.
- a preferred support includes, a polyester film and an aluminum plate. Among them, the aluminum plate is preferred since it has good dimensional stability and is relatively inexpensive.
- the aluminum plate includes a pure aluminum plate, an alloy plate comprising aluminum as a main component and containing a trace amount of hetero elements and a thin film of aluminum or aluminum alloy laminated with plastic.
- the hetero element contained in the aluminum alloy includes, for example, silicon, iron, manganese, copper, magnesium, chromium, zinc, bismuth, nickel and titanium.
- the content of the hetero element in the aluminum alloy is preferably 10% by weight or less.
- a pure aluminum plate is preferred in the invention, since completely pure aluminum is difficult to be produced in view of the refining technique, the aluminum plate may slightly contain the hetero element.
- the composition is not specified for the aluminum plate and those materials conventionally known and used can be appropriately utilized.
- the thickness of the support is preferably from 0.1 to 0.6 mm, more preferably from 0.15 to 0.4 mm, and still more preferably from 0.2 to 0.3 mm.
- a surface treatment for example, roughening treatment or anodizing treatment is preferably performed.
- the surface treatment facilitates improvement in the hydrophilic property and ensure for adhesion between the image-forming layer and the support.
- a degreasing treatment for example, with a surfactant, an organic solvent or an aqueous alkaline solution is conducted for removing rolling oil on the surface htereof, if desired.
- the roughening treatment of the surface of the aluminum plate is conducted by various methods and includes, for example, mechanical roughening treatment, electrochemical roughening treatment (roughening treatment of electrochemically dissolving the surface) and chemical roughening treatment (roughening treatment of chemically dissolving the surface selectively).
- a known method for example, ball grinding, brush grinding, blast grinding or buff grinding can be used.
- the electrochemical roughening treatment method includes, for example, a method of conducting by passing alternating current or direct current in an electrolyte containing an acid, for example, hydrochloric acid or nitric acid. Also, a method of using a mixed acid described in JP-A-54-63902 can be used.
- the aluminum plate subjected to the roughening treatment is subjected, if desired, to an alkali etching treatment using an aqueous solution, for example, of potassium hydroxide or sodium hydroxide and further subjected to a neutralizing treatment, and then subjected to an anodizing treatment for improving the abrasion resistance, if desired.
- an alkali etching treatment using an aqueous solution, for example, of potassium hydroxide or sodium hydroxide and further subjected to a neutralizing treatment, and then subjected to an anodizing treatment for improving the abrasion resistance, if desired.
- electrolyte used for the anodizing treatment of the aluminum plate various electrolytes capable of forming porous oxide film can be used. Ordinarily, sulfuric acid, hydrochloric acid, oxalic acid, chromic acid or a mixed acid thereof is used. The concentration of the electrolyte can be appropriately determined depending on the kind of the electrolyte.
- electrolyte concentration in the solution is from 1 to 80% by weight
- liquid temperature is from 5 to 70°C
- current density is from 5 to 60 A/dm 2
- voltage is from 1 to 100 V
- electrolysis time is from 10 seconds to 5 minutes.
- the amount of the anodized film formed is preferably from 1.0 to 5.0 g/m 2 and more preferably from 1.5 to 4.0 g/m 2 . In the above-described range, good printing durability and good scratch resistance in the non-image area of lithographic printing plate can be achieved.
- a substrate as such, i.e., having been subjected to the above-described surface treatment and being provided with an anodic oxidation film.
- a treatment selected from among a treatment for enlarging micropores in the anodic oxidation film, a treatment for clogging the micropores, a surface-hydrophilization treatment by soaking in an aqueous solution containing a hydrophilic compound and so on, as described in JP-A-2001-253181 and JP-A-2001-322365 .
- treatments for enlarging or clogging micropores are not restricted to those described in the above documents but any one of publicly known methods is usable.
- a steam clogging treatment for example, use can be made of a steam clogging treatment, a treatment using fluorozirconic acid, a treatment with sodium fluoride or a steam treatment with the use of lithium chloride.
- any treatment can be employed for clogging micropores without restriction namely, use can be made of publicly known methods therefor.
- metal fluorides can be preferably cited.
- sodium fluorozirconate, sodium fluorotitanate, fluorozirconic acid and fluorotitanic acid are preferred.
- the concentration of the inorganic fluorine compound in the aqueous solution is preferably 0.01% by weight or more and more preferably 0.05% by weight or more. From the viewpoint of stain resistance, the concentration is preferably 1% by weight or less, more preferably 0.5% by weight or less.
- the aqueous solution containing an inorganic fluorine compound further contains a phosphate compound.
- a phosphate compound By adding the phosphate compound, the surface hydrophilic nature of the anodic oxidation film can be enhanced and thus the on-machine development property and stain resistance can be improved.
- phosphate compound there can be appropriately enumerated phosphoric acid salts of alkali metals and alkaline earth metals.
- zinc phosphate aluminum phosphate, ammonium phosphate, diammonium hydrogenphosphate, ammonium dihydrogenphosphate, monoammonium phosphate, monopotassium phosphate, monosodium phosphate, potassium dihydrogenphosphate, dipotassium hydrogenphosphate, calcium phosphate, ammonium sodium hydrogenphosphate, magnesium hydrogenphosphate, magnesium phosphate, ferrous phosphate, ferric phosphate, sodium dihydrogenphosphate, sodium phosphate, disodium hydrogenphosphate, lead phosphate, diammonium phosphate, calcium dihydrogenphosphate, lithium phosphate, phosphotungstic acid, ammonium phosphotungstate, sodium phosphotungstate, ammonium phosphomolybdate, sodium phosphomolybdate, sodium phosphite, sodium tripolyphosphate and sodium pyrophosphate.
- the aqueous solution contains at least sodium fluorozirconate as the inorganic fluorine compound and a least sodium dihydrogenphosphate as the phosphate compound.
- the concentration of the phosphate compound in the aqueous solution is preferably 0.01 % by weight or more and more preferably 0.1% by weight or more. From the viewpoint solubility, the concentration is preferably 20% by weight or less, more preferably 5% by weight or less.
- the ratio of individual compounds in the aqueous solution is not particularly restricted, it is preferred that the ratio by weight of the inorganic fluorine compound to the phosphate compound ranges from 1/200 to 10/1, more preferably from 1/30 to 2/1.
- the temperature of the aqueous solution is preferably 20°C or higher, more preferably 40°C or higher but not more than 100°C and more preferably not more than 80°C.
- the pH value of the aqueous solution is preferably pH 1 or more and more preferably pH 2 or more but not more than pH 11 and more preferably not more than pH 5.
- the method of the clogging treatment with the use of the aqueous solution containing the inorganic fluorine compound is not particularly restricted.
- use can be made of the immersion method or the spraying method.
- a single treatment may be conducted once or more.
- two or more treatments may be combined together.
- the immersion method is preferred.
- the treatment time is preferably 1 second or longer and more preferably 3 seconds or longer but not longer than 100 seconds and more preferably not longer than 20 seconds.
- the steam clogging treatment may be conducted by, for example, continuously or discontinuously contacting the anodic oxidation film with steam under atmospheric pressure or elevated pressure.
- the steam temperature is preferably 80°C or higher and more preferably 95°C or higher but not higher than 105°C.
- the steam pressure preferably ranges from (atmospheric pressure - 50 mmAq) to (atmospheric pressure + 300 mmAq), i.e., from 1.008x10 5 to 1.043x10 5 Pa.
- the contact time with the steam is preferably 1 second or longer and more preferably 3 seconds or longer but not longer than 100 seconds and more preferably not longer than 20 seconds,
- the hot water clogging treatment may be conducted by, for example, immersing an aluminum plate having an anodic oxidation film formed thereon in hot water.
- the hot water may contain an inorganic salt (for example, a phosphate) or an organic salt.
- an inorganic salt for example, a phosphate
- organic salt for example, a phosphate
- the temperature of the hot water is preferably 80°C or higher and more preferably 95°C or higher but not higher than 100°C.
- the immersion time in the hot water is preferably 1 second or longer and more preferably 3 seconds or longer but not longer than 100 seconds and more preferably not longer than 20 seconds.
- the hydrophilizing treatment includes an alkali metal silicate method described in U.S. Patents 2,714,066 , 3,181,461 , 3,280,734 and 3,902,734 .
- the support is subjected to immersion treatment or electrolytic treatment in an aqueous solution, for example, of sodium silicate.
- the hydrophilizing treatment includes, for example, a method of treating with potassium fluorozirconate as described in JP-B-36-22063 and a method of treating with polyvinylphosphonic acid as described in U.S. Patents 3,276,868 , 4,153,461 and 4,689,272 .
- the hydrophilic layer preferably used includes a hydrophilic layer formed by coating a coating solution containing a colloid of an oxide or hydroxide of at least one element selected from beryllium, magnesium, aluminum, silicon, titanium, boron, germanium, tin, zirconium, iron, vanadium, antimony and a transition metal as described in JP-A-2001-199175 , a hydrophilic layer containing an organic hydrophilic matrix obtained by crosslinking or pseudo-crosslinking of an organic hydrophilic polymer as described in JP-A-2002-79772 , a hydrophilic layer containing an inorganic hydrophilic matrix obtained by sol-gel conversion comprising hydrolysis and condensation reaction of polyalkoxysilane and titanate, zirconate or aluminate and a hydrophilic layer comprising
- an antistatic layer on the hydrophilic layer side, the opposite side to the hydrophilic layer or both sides.
- the antistatic layer is provided between the support and the hydrophilic layer, it also contributes to improve the adhesion of the hydrophilic layer to the support.
- a polymer layer having fine particles of metal oxide or a matting agent dispersed therein as described in JP-A-2002-79772 may be used.
- the support of the invention preferably has a center line average roughness of from 0.10 to 1.2 ⁇ m. In the above-described range, good adhesion with the image-forming layer, good printing durability, and good resistance to stain can be achieved.
- a back coat layer can be provided on the back surface of the support, if desired.
- the back coat layer preferably used includes, for example, a coating layer comprising an organic polymer compound as described in JP-A-5-45885 and a coating layer comprising a metal oxide obtained by hydrolysis and polycondensation of an organic metal compound or an inorganic metal compound as described in JP-A-6-35174 .
- a coating layer comprising an organic polymer compound as described in JP-A-5-45885 and a coating layer comprising a metal oxide obtained by hydrolysis and polycondensation of an organic metal compound or an inorganic metal compound as described in JP-A-6-35174 .
- an alkoxy compound of silicon for example, Si(OCH 3 ) 4 , Si(OC 2 H 5 ) 4 , Si(OC 3 H 7 ) 4 , or Si(OC 4 H 9 ) 4 is preferred since the starting material is inexpensive and easily available.
- an undercoat layer is provided between the support and the image-forming layer, if desired.
- the undercoat layer makes removal of the image-forming layer from the support in the unexposed area easy so that the on-machine development property can be improved. Further, it is advantageous that in the case of infrared laser exposure, since the undercoat layer acts as a heat insulating layer, heat generated upon the exposure does not diffuse into the support and is efficiently utilized so that increase in sensitivity can be achieved.
- a silane coupling agent having an addition-polymerizable ethylenic double bond reactive group described in JP-A-10-282679 and a phosphorus compound having an ethylenic double bond reactive group described in JP-A-2-304441 are preferably exemplified.
- a polymer resin obtained by copolymerization of a monomer having a support-adsorbing group, a monomer having a hydrophilic group and a monomer having a crosslinkable group is exemplified.
- the essential component in the polymer resin for the undercoat layer is a support-adsorbing group (an adsorbing group to the hydrophilic surface of the support). Whether adsorptivity to the hydrophilic surface of the support is present or not can be judged, for example, by the following method.
- a test compound is dissolved in an easily soluble solvent to prepare a coating solution, and the coating solution is coated and dried on a support so as to have the coating amount after drying of 30 mg/m 2 .
- the residual amount of the test compound that has not been removed by the washing is measured to calculate the adsorption amount to the support.
- the residual amount of the test compound may be directly determined, or may be calculated by determining the amount of the test compound dissolved in the washing solution.
- the determination for the compound can be performed, for example, by X-ray fluorescence spectrometry, reflection absorption spectrometry or liquid chromatography.
- the compound having the adsorptivity to support is a compound that remains by 1 mg/m 2 or more even after conducting the washing treatment described above.
- the adsorbing group to the hydrophilic surface of the support is a functional group capable of forming a chemical bond (for example, an ionic bond, a hydrogen bond, a coordinate bond or a bond with intermolecular force) with a substance (for example, metal or metal oxide) or a functional group (for example, a hydroxy group) present on the surface of the support.
- the adsorbing group is preferably an acid group or a cationic group.
- the acid group preferably has an acid dissociation constant (pKa) of 7 or less.
- the acid group include a phenolic hydroxy group, a carboxyl group, -SO 3 H, -OSO 3 H, -PO 3 H 2 , -OPO 3 H 2 , -CONHSO 2 -, -SO 2 NHSO 2 - and -COCH 2 COCH 3 .
- -OPO 3 H 2 and -PO 3 H 2 are particularly preferred.
- the acid group may be the form of a metal salt.
- the cationic group is preferably an onium group.
- the onium group include an ammonium group, a phosphonium group, an arsonium group, a stibonium group, an oxonium group, a sulfonium group, a selenonium group, a stannonium group and iodonium group.
- the ammonium group, phosphonium group and sulfonium group are preferred, the ammonium group and phosphonium group are more preferred, and the ammonium group is most preferred.
- Particularly preferred examples of the monomer having the adsorbing group include compounds represented by the following formula (III) or (IV):
- R 1 , R 2 and R 3 each independently represents a hydrogen atom, halogen atom or an alkyl group having from 1 to 6 carbon atoms.
- R 1 and R 2 and R 3 each independently represents preferably a hydrogen atom or an alkyl group having from 1 to 6 carbon atoms, more preferably a hydrogen atom or an alkyl group having from 1 to 3 carbon atoms and, most preferably a hydrogen atom or methyl. It is particularly preferred that R 2 and R 3 each represents a hydrogen atom.
- X represents an oxygen atom (-O-) or imino group (-NH-).
- X represents an oxygen atom.
- L represents a divalent connecting group. It is preferred that L represents a divalent aliphatic group (for example, an alkylene group, a substituted alkylene group, an alkenylene group, a substituted alkenylene group, an alkinylene group or a substituted alkinylene group), a divalent aromatic group (for example, an arylene group or a substituted arylene group), a divalent heterocyclic group or a combination of each of the groups described above with an oxygen atom (-O-), a sulfur atom (-S-), an imino group (-NH-), a substituted imino group (-NR-, where R represents an aliphatic group, an aromatic group or a heterocyclic group) or a carbonyl group (-CO-).
- the aliphatic group may form a cyclic structure or a branched structure.
- the number of carbon atoms of the aliphatic group is preferably from 1 to 20, more preferably from 1 to 15, and most preferably from 1 to 10. It is preferred that the aliphatic group is a saturated aliphatic group rather than an unsaturated aliphatic group.
- the aliphatic group may have a substituent. Examples of the substituent include a halogen atom, a hydroxy group, an aromatic group and a heterocyclic group.
- the number of carbon atoms of the aromatic group is preferably from 6 to 20, more preferably from 6 to 15 and most preferably from 6 to 10.
- the aromatic group may have a substituent. Examples of the substituent include a halogen atom, a hydroxy group, an aliphatic group, an aromatic group and a heterocyclic group.
- the heterocyclic group has a 5-membered or 6-membered ring as the hetero ring.
- Other heterocyclic ring, an aliphatic group or an aromatic ring may be condensed to the heterocyclic ring.
- L represents a divalent connecting group containing a plurality of polyoxyalkylene structures. It is more preferred that the polyoxyalkylene structure is a polyoxyethylene structure. Specifically, it is preferred that L contains -(OCH 2 CH 2 ) n - (n is an integer of 2 or more).
- Z represents a functional group adsorbing to the hydrophilic surface of the support.
- Y represents a carbon atom or a nitrogen atom.
- Z is not mandatory, because the quaternary pyridinium group itself exhibits the adsorptivity.
- the hydrophilic group included in the polymer resin for the undercoat layer for use in the invention preferably includes, for example, a hydroxy group, a carboxyl group, a carboxylate group, a hydroxyethyl group, a polyoxyethyl group, a hydroxypropyl group, a polyoxypropyl group, an amino group, an aminoethyl group, an aminopropyl group, an ammonium group, an amido group, a carboxymethyl group, a sulfonic acid group and a phosphoric acid group.
- a monomer having a sulfonic acid group exhibiting a highly hydrophilic property is preferable.
- the monomer having a sulfonic acid group include sodium salt or an amine salt of methacryloxybenzenesulfonic acid, acryloxybenzenesulfonic acid, allylsulfonic acid, vinylsulfonic acid, allylsulfonic acid, p-styrenesulfonic acid, methacrylsulfonic acid, acrylamido-tert-butylsulfonic acid, 2-acrylamido-2-methylpropanesulfonic acid and (3-acryloyloxypropyl)buthylsulfonic acid.
- sodium salt of 2- acrylamido-2-methylpropanesulfonic acid is preferable.
- the water-soluble polymer resin for the undercoat layer according to the invention has a crosslinkable group.
- the crosslinkable group acts to improve the adhesion to the image area.
- introduction of a crosslinking functional group for example, an ethylenically unsaturated bond into the side chain of the polymer, or introduction by formation of a salt structure between a polar substituent of the polymer resin and a compound containing a substituent having a counter charge to the polar substituent of the polymer resin and an ethylenically unsaturated bond is used.
- Examples of the polymer having an ethylenically unsaturated bond in the side chain thereof include a polymer of an ester or amide of acrylic acid or methacrylic acid, which is a polymer wherein the ester or amide residue (R in -COOR or -CONHR) has an ethylenically unsaturated bond.
- X represents a dicyclopentadie
- an ester or amide of acrylic acid or methacrylic acid having the crosslinkable group is preferred.
- a content of the crosslinking group in the polymer resin for undercoat layer is preferably from 0.1 to 10.0 mmol, more preferably from 1.0 to 7.0 mmol and most preferably from 2.0 to 5.5 mmol, based on 1 g of the polymer resin. In the above-described range, preferable compatibility between the sensitivity and stain resistance and good preservation stability can be obtained.
- a weight average molecular weight of the polymer resin for undercoat layer is preferably 5,000 or more, more preferably from 10,000 to 300,000.
- a number average molecular weight of the polymer resin is preferably 1,000 or more, more preferably from 2,000 to 250,000.
- Polydispersity (weight average molecular weight/number average molecular weight) thereof is preferably from 1.1 to 10.
- the polymer resin for undercoat layer may be any of a random polymer, a block polymer, a graft polymer and the like, and preferably a random polymer.
- the polymer resins for undercoat layer may be used individually or in a mixture of two or more thereof.
- a coating amount (solid content) of the undercoat layer is preferably from 0.1 to 100 mg/m 2 , and more preferably from 1 to 30 mg/m 2 .
- the compound having a polymerizable group also has an adsorbing group to support and a hydrophilicity-imparting group in the molecule thereof in view of further improvement in the adhesion, the on-machine developing property and stain resistance.
- adsorbing group to support means a group capable of ordinarily forming an ionic bond, a hydrogen bond, a coordinate bond or a bond with intermolecular force with metal, a metal oxide, a hydroxy group or the like present on the support subjected to the anodizing treatment or hydrophilizing treatment.
- an acid group or an onium group is preferable.
- an acid group having an acid dissociation constant (pKa) of 7 or less is preferable.
- the acid group include -COOH, -SO 3 H, -OSO 3 H, -PO 3 H 2 , -OPO 3 H 2 , -CONHSO 2 - and -SO 2 NHSO 2 -.
- -PO 3 H 2 is particularly preferred.
- the onium group an onium group formed from an atom belonging to Group 5B (Group 15) or Group 6B (Group 16) of the periodic table is preferable, an onium group formed from a nitrogen atom, a phosphorus atom or a sulfur atom is more preferable, and an onium group formed from a nitrogen atom is particularly preferable.
- the hydrophilicity-imparting group for example, an ethyleneoxide group (-OCH 2 CH 2 -) and a sulfonic acid group are exemplified.
- a coating amount (solid content) of the undercoat layer is preferably from 0.1 to 100 mg/m 2 , and more preferably from 3 to 30 mg/m 2 .
- the lithographic printing plate precursor as described above is exposed imagewise with a laser.
- the laser is particularly preferred and includes, for example, a solid laser and a semiconductor laser emitting an infrared ray having a wavelength of 760 to 1,200 nm, though the invention is not restricted thereto. It is preferred that the output of the infrared laser is 100 mW or more. Also, in order to shorten the exposure time, it is preferred to use a multibeam laser device.
- the exposure time per pixel is preferably within 20 ⁇ s. Also, the irradiation energy is preferably from 10 to 300 mJ/cm 2 .
- the lithographic printing plate precursor according to the invention is imagewise exposed by a laser beam and then subjected to printing by supplying oily ink and an aqueous component without undergoing any development processing step, as discussed above.
- a method wherein the lithographic printing plate precursor is exposed by a laser beam and mounted on a printing machine to perform printing without undergoing the development processing step and a method wherein the lithographic printing plate precursor is mounted on a printing machine, exposed by a laser beam on the printing machine and then subjected to printing without undergoing the development processing step are exemplified.
- the image-forming layer hardened by the exposure forms the oily ink-receptive area having an oleophilic surface in the exposed area of the image-forming layer.
- the unhardened image-forming layer is removed by dissolution or dispersion with the aqueous component and/or oily ink supplied to reveal a hydrophilic surface in the area.
- the aqueous component is adhered on the revealed hydrophilic surface and the oily ink is deposited on the image-forming layer in the exposed area and printing is initiated. While either the aqueous component or the oily ink may be supplied at first to the plate surface, it is preferred to supply the oily ink at first for preventing the aqueous component from contamination with the image-forming layer in the unexposed area.
- the aqueous component and oily ink dampening water and printing ink for conventional lithographic printing are respectively used.
- the lithographic printing plate precursor is subjected to the on-machine development on an offset printing machine and used as it is for printing a large number of sheets.
- An aluminum plate (material: JIS 1050) having a thickness of 0.3 mm was subjected to a degreasing treatment at 50°C for 30 seconds using a 10% by weight aqueous sodium aluminate solution in order to remove rolling oil on the surface thereof and then grained the surface thereof using three nylon brushes embedded with bundles of nylon bristle having a diameter of 0.3 mm and an aqueous suspension (specific gravity: 1.1 g/cm 3 ) of pumice having a median size of 25 ⁇ m, followed by thorough washing with water.
- the plate was etched by immersing in a 25% by weight aqueous sodium hydroxide solution of 45°C for 9 seconds, washed with water, then immersed in a 20% by weight nitric acid at 60°C for 20 seconds, and washed with water.
- the etching amount of the grained surface was about 3 g/m 2 .
- the electrochemical roughening treatment was conducted using an alternating current source, which provides a rectangular alternating current having a trapezoidal waveform such that the time TP necessary for the current value to reach the peak from zero was 0.8 msec and the duty ratio was 1:1, and using a carbon electrode as a counter electrode.
- a ferrite was used as an auxiliary anode.
- the current density was 30 A/dm 2 in terms of the peak value of the electric current, and 5% of the electric current flowing from the electric source was divided to the auxiliary anode.
- the quantity of electricity in the nitric acid electrolysis was 175 C/dm 2 in terms of the quantity of electricity when the aluminum plate functioned as an anode. The plate was then washed with water by spraying.
- the plate was further subjected to an electrochemical roughening treatment in the same manner as in the nitric acid electrolysis above using as an electrolyte, a 0.5% by weight aqueous hydrochloric acid solution (containing 0.5% by weight of aluminum ion) having temperature of 50°C and under the condition that the quantity of electricity was 50 C/dm 2 in terms of the quantity of electricity when the aluminum plate functioned as an anode.
- the plate was then washed with water by spraying.
- the plate was subjected to an anodizing treatment using as an electrolyte, a 15% by weight sulfuric acid (containing 0.5% by weight of aluminum ion) at a current density of 15 A/dm 2 to form a direct current anodic oxidation film of 2.5 g/m 2 , washed with water and dried to obtain Support A.
- the center line average roughness (Ra) of the support was measured using a stylus having a diameter of 2 ⁇ m and it was found to be 0.51 ⁇ m.
- the center line average roughness (Ra) of the support was measured using a stylus having a diameter of 2 ⁇ m and it was found to be 0.51 ⁇ m.
- Undercoat solution (1) shown below was bar-coated on Support B described above so as to have a dry coating amount of 10 mg/m 2 . Next, it was dried in an oven at 80°C for 20 seconds to form an undercoat layer. On the undercoat layer thus formed, a coating solution (I) for image-forming layer was bar-coated and dried in an oven at 100°C for 60 seconds to form an image-forming layer having a dry coating amount of 1.0 g/m 2 . Thus, a lithographic printing plate precursor (1) was obtained.
- Undercoat solution Water 15 g Methanol 135 g Compound A shown below 0.72 g Coating solution (I) for image-forming layer Binder polymer (1) 0.162 g Polymerization initiator (1) 0.100 g Infrared absorbing agent (1) 0.020 g Polymerizable compound (Aronics M-215, produced by Toagosei Co., Ltd.) 0.385 g Fluorine-based surfactant (1) 0.044 g Aqueous dispersion (1) of stratiform compound shown below 2.500 g Methyl ethyl ketone 1.091g 1-Methoxy-2-propanol 8.609 g Deionized water 2.500 g
- a coating solution (2) for image-forming layer shown below was bar-coated on Support B described above and dried in an oven at 100°C for 60 seconds so as to have a dry coating amount of 1.0 mg/m 2 Thus, a lithographic printing plate precursor (2) was obtained.
- Coating solution (2) for image-forming layer Binder polymer (1) 0.162 g Polymerization initiator (1) 0.100 g Infrared absorbing agent (1) 0.020 g Polymerizable compound (Aronics M-215, produced by Toagosei Co., Ltd.) 0.385 g Fluorine-based surfactant (1) 0.044 g
- Aqueous dispersion (1) of stratiform compound shown below 2.500 g Compound A described above (compound having polymerizable group and adsorbing group to support 0.020 g Methyl ethyl ketone 1.091 g 1-Methoxy-2-propanol 8.609 g Deionized water 2.500 g
- the coating solution (1) for image-forming layer was bar-coated on Support B described above and dried in an oven at 100°C for 60 seconds so as to have a dry coating amount of 1.0 mg/m 2 .
- a lithographic printing plate precursor (3) was obtained.
- An undercoat solution (2) shown below was bar-coated on Support A described above and dried in an oven at 80°C for 20 seconds so as to have a dry coating amount of 10 mg/m 2 .
- a coating solution (3) for image-forming layer shown below was bar-coated and dried in an oven at 100°C for 60 seconds so as to have a dry coating amount of 1.0 mg/m 2 .
- a lithographic printing plate precursor (4) was obtained.
- Undercoat solution (2) Compound B shown below 0.017 g Methanol 9.00 g Water 1.00 g Coating solution (3) for image-forming layer Binder polymer (1) 0.162 g Polymerization initiator (1) 0.100 g Infrared absorbing agent (1) 0.020 g Polymerizable compound (Aronics M-215, produced by Toagosei Co., Ltd.) 0.385 g Fluorine-based surfactant (1) 0.044 g Aqueous dispersion (1) of stratiform compound shown below 2.500 g Methyl ethyl ketone 1.091 g 1-Methoxy-2-propanol 8.609 g Fine particles (1) synthesized below 2.640 g Aqueous dispersion (1) of stratiform compound shown below 2.500 g
- An oil phase component was prepared by dissolving 10 g of an adduct of trimethylol propane and xylene diisocyanate (Takenate D-110N, produced by Mitsui Takeda Chemical Co., Ltd., 75% by weight ethyl acetate solution), 6.00 g of Aronix SR-399 (produced by Toagosei Co., Ltd.) and 0.12 g of Pionine A-41C (produced by Takemoto Oil and Fat Co., Ltd.) in 16.67 g of ethyl acetate.
- As an aqueous phase component 37.5 g of a 4% by weight aqueous solution of PVA-205 was prepared.
- the oil phase component and the aqueous phase component were mixed and emulsified by using a homogenizer at 12,000 rpm for 10 minutes.
- the resulting emulsion was added to 25 g of distilled water and stirred at a room temperature for 30 minutes and then at 40°C for 2 hours.
- the thus obtained fine particle liquid was diluted with distilled water so as to have the solid concentration of 15% by weight.
- the average particle size of the fine particle was 0.2 ⁇ m.
- a lithographic printing plate precursor (5) was produced as in Example 4 but using an aqueous dispersion (2) of stratiform compound shown below as a substitute for the aqueous dispersion of stratiform compound (1).
- a coating solution (3) for image-forming layer shown below was bar-coated on Support A described above and dried in an oven at 100°C for 60 seconds so as to have a dry coating amount of 1.0 mg/m 2 Thus, a lithographic printing plate precursor (6) was obtained.
- the undercoat solution (2) was bar-coated on Support A described above and dried in an oven at 80°C for 20 seconds so as to have a dry coating amount of 10 mg/m 2 .
- a coating solution (4) for image-forming layer shown below was bar-coated and dried in an oven at 100°C for 60 seconds so as to have a dry coating amount of 1.0 mg/m 2 ,
- a lithographic printing plate precursor (7) was obtained.
- a comparative lithographic printing plate precursor (1) was prepared as in Example 3 but adding no aqueous solution of stratiform compound to the coating solution for image-forming layer.
- a comparative lithographic printing plate precursor (2) was prepared as in Example 1 but adding no aqueous solution of stratiform compound to the coating solution for image-forming layer.
- a comparative lithographic printing plate precursor (3) was prepared as in Example 6 but adding no aqueous solution of stratiform compound to the coating solution for image-forming layer.
- the obtained lithographic printing plate precursor was exposed by Trendsetter 3244VX, produced by Creo Co., equipped with a water-cooled 40 W infrared semiconductor laser under the conditions of power of 9 W, a rotational number of an outer surface drum of 150 rpm and resolution of 2,400 dpi.
- the exposed image had a fine line chart.
- the exposed lithographic printing plate precursor was mounted on a plate cylinder of a printing machine (SOR-M, produced by Hyderberg Co.) without development.
- the degree of hardening of the image-forming layer is lowered with a decrease in the exposure amount, while the degree of hardening is elevated with an increase in the exposure amount.
- the degree of hardening of the image-forming layer is too low, the lithographic printing plate precursor has low printing durability and poor reproducibility of small dots and fine lines.
- the degree of hardening of the image-forming layer is high, on the other hand, the lithographic printing plate precursor has high printing durability and good reproducibility of small dots and fine lines.
- the negative lithographic printing plate precursor obtained above was evaluated in printing durability and fine line reproducibility under the same exposure conditions as described above to thereby give sensitivity indication of the lithographic printing plate precursor. Namely, a larger number of prints in the printing durability test and a thinner line width in the fine line reproducibility test indicate each the higher sensitivity of a lithographic printing plate precursor.
- the obtained lithographic printing plate precursor was layered on a paper board so that the image-forming layer-coated face was in contact directly with the paper board.
- a laminate having 50 sheets of the lithographic printing plate precursor was constructed.
- the paper board employed had a weighing of 48 g/m 2 , a thickness of 60 ⁇ m, a density of 0.80 g/cm 3 and a smoothness of 310 sec.
- This laminate was packaged in craft paper having aluminum foil bonded to the inner face thereof as shown in Fig. 1 and fixed with a pressure-sensitive adhesive tape to give a package. Assuming poor distribution and storage conditions, this package was allowed to stand at 45°C and humidity 75% for 1 week and then opened.
- the polymerization initiator is generally decomposed with the lapse of time to cause lowering in reactivity, i.e., lowering in sensitivity.
- the fine line reproducibility of the lithographic printing plate precursor which had been stored at 45°C and humidity 75% for 1 week as described above, was evaluated in the same manner as described above to evaluate the time-lapse stability.
- a lithographic printing plate precursor showing lowering in the fine line reproducibility after the storage at 45°C and 75%RH was determined as having poor time-lapse stability.
- a lithographic printing plate precursor (8) was produced as in Example 4 but using a microgel (1) shown below as a substitute for the fine particles (1) in Example 4 and the obtained lithographic printing plate precursor was evaluated.
- the fine line reproducibility was 16 ⁇ m
- the printing durability was 10,000 sheets
- the adhesion was "A”
- the time-lapse stability was 16 ⁇ m
- the abrasion property was "A”.
- An oil phase component was prepared by dissolving 10 g of an adduct of trimethylol propane and xylene diisocyanate (Takenate D-110N, produced by Mitsui Takeda Chemical Co., Ltd., 75% by weight ethyl acetate solution), 3.15 g of pentaerythritol triacrylate (SR444 Produced by Nippon Kayaku) and 0.1 g of Pionine A-41C (produced by Takemoto Oil and Fat Co., Ltd.) in 17 g of ethyl acetate.
- As an aqueous phase component 40 g of a 4% by weight aqueous solution of PVA-205 was prepared.
- the oil phase component and the aqueous phase component were mixed and emulsified by using a homogenizer at 12,000 rpm for 10 minutes.
- the resulting emulsion was added to 25 g of distilled water and stirred at a room temperature for 30 minutes and then at 50°C for 3 hours.
- the thus obtained microgel was diluted with distilled water so as to have the solid concentration of 15% by weight.
- the average particle size of the fine particle was 0.2 ⁇ m.
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Claims (10)
- Lithographie-Druckplattenvorläufer, umfassend einen Träger und eine bildgebende Schicht, die mit zumindest einem von Drucktinte und Anfeuchtwasser ("dampening water") entfernt werden kann, worin die bildgebende Schicht eine Schichtverbindung (stratiforme Verbindung) umfaßt.
- Lithographie-Druckplattenvorläufer gemäß Anspruch 1, worin die Schichtverbindung (stratiforme Verbindung) ein Seitenverhältnis von 20 oder größer aufweist.
- Lithographie-Druckplattenvorläufer gemäß Anspruch 1, worin die Schichtverbindung (stratiforme Verbindung) ein Seitenverhältnis von 100 oder größer aufweist.
- Lithographie-Druckplattenvorläufer gemäß Anspruch 1, worin die Schichtverbindung (stratiforme Verbindung) ein Seitenverhältnis von 200 oder größer aufweist.
- Lithographie-Druckplattenvorläufer gemäß Anspruch 1, ferner umfassend eine Grundierungsschicht zwischen dem Träger und der bildgebenden Schicht, wobei die Grundierungsschicht eine Verbindung mit einer polymerisierbaren Gruppe umfaßt.
- Lithographie-Druckplattenvorläufer gemäß Anspruch 1, worin die bildgebende Schicht ferner eine Verbindung umfaßt, die in ihrem Molekül eine polymerisierbare Gruppe und eine an den Träger adsorbierende Gruppe aufweist.
- Lithographie-Druckplattenvorläufer gemäß Anspruch 1, worin die bildgebende Schicht eine Mikrokapsel oder ein Mikrogel umfaßt.
- Lithographie-Druckplattenvorläufer gemäß Anspruch 1, worin die Schichtverbindung (stratiforme Verbindung) ein organisches Kation umfaßt.
- Lithographie-Druckplattenvorläufer gemäß Anspruch 1, worin die Schichtverbindung (stratiforme Verbindung) eine mittlere Partikelgröße von 1 bis 20 µm aufweist.
- Druckverfahren, umfassend:Einsetzen eines Lithographie-Druckplattenvorläufers, der einen Träger und eine eine Schichtverbindung (stratiforme Verbindung) umfassende bildgebende Schicht umfaßt, in eine Druckmaschine und bildweises Belichten des eingesetzten Lithographie-Druckplattenvorläufers mit einem Infrarotlaser, oder bildweises Belichten eines Lithographie-Druckplattenvorläufers, der einen Träger und eine eine Schichtverbindung (stratiforme Verbindung) umfassende bildgebende Schicht umfaßt, mit einem Infrarotlaser und Einsetzen des belichteten Lithographie-Druckplattenvorläufers in eine Druckmaschine; undZuführen von Drucktinte und Anfeuchtwasser zu dem eingesetzten und belichteten Lithographie-Druckplattenvorläufer, um einen nicht mit Infrarotlaser belichteten Bereich der bildgebenden Schicht zu entfernen.
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JP2005355193A JP4881614B2 (ja) | 2005-03-22 | 2005-12-08 | 平版印刷版原版および平版印刷方法 |
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EP1795344B1 true EP1795344B1 (de) | 2008-11-05 |
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US (1) | US20070134587A1 (de) |
EP (1) | EP1795344B1 (de) |
AT (1) | ATE413274T1 (de) |
DE (1) | DE602006003515D1 (de) |
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US3881924A (en) | 1971-08-25 | 1975-05-06 | Matsushita Electric Ind Co Ltd | Organic photoconductive layer sensitized with trimethine compound |
US4327169A (en) | 1981-01-19 | 1982-04-27 | Eastman Kodak Company | Infrared sensitive photoconductive composition, elements and imaging method using trimethine thiopyrylium dye |
JPS58112792A (ja) | 1981-12-28 | 1983-07-05 | Ricoh Co Ltd | 光情報記録部材 |
JPS58112793A (ja) | 1981-12-28 | 1983-07-05 | Ricoh Co Ltd | 光情報記録部材 |
JPS58125246A (ja) | 1982-01-22 | 1983-07-26 | Ricoh Co Ltd | レ−ザ記録媒体 |
JPS58173696A (ja) | 1982-04-06 | 1983-10-12 | Canon Inc | 光学記録媒体 |
JPS60196396A (ja) * | 1984-03-21 | 1985-10-04 | Ube Ind Ltd | 平版印刷板用基材 |
US6399270B1 (en) * | 1998-12-04 | 2002-06-04 | Konica Corporation | Support for printing plate and printing plate |
DE60014526T2 (de) * | 1999-07-26 | 2005-11-17 | Fuji Photo Film Co., Ltd., Minami-Ashigara | Wärmeempfindlicher Vorläufer für eine Flachdruckplatte |
US6607866B1 (en) * | 1999-09-29 | 2003-08-19 | Fuji Photo Film Co., Ltd. | Lithographic printing plate support and lithographic printing plate precursor using the same |
JP2001277740A (ja) | 2000-01-27 | 2001-10-10 | Fuji Photo Film Co Ltd | 平版印刷版用原版 |
JP2001270260A (ja) * | 2000-01-20 | 2001-10-02 | Fuji Photo Film Co Ltd | 直描型平版印刷版 |
JP2001337460A (ja) * | 2000-03-21 | 2001-12-07 | Fuji Photo Film Co Ltd | 平版印刷版用原版 |
DE60215710T2 (de) * | 2001-01-24 | 2007-09-20 | Fujifilm Corp. | Hydrophiles Polymer mit endständiger Silankupplungsgruppe und Flachdruckplattenträger |
JP4266077B2 (ja) * | 2001-03-26 | 2009-05-20 | 富士フイルム株式会社 | 平版印刷版原版及び平版印刷方法 |
WO2004072158A1 (ja) * | 2003-02-14 | 2004-08-26 | Yamagata University Research Institute | 高分子複合材料及びその製造方法 |
JP4815113B2 (ja) * | 2003-09-24 | 2011-11-16 | 富士フイルム株式会社 | 平版印刷版原版および平版印刷方法 |
JP2005178013A (ja) * | 2003-12-16 | 2005-07-07 | Konica Minolta Medical & Graphic Inc | 印刷版材料、印刷方法 |
JP2006188038A (ja) * | 2004-12-10 | 2006-07-20 | Fuji Photo Film Co Ltd | 平版印刷版原版および製版方法 |
DE602006014225D1 (de) * | 2005-02-28 | 2010-06-24 | Fujifilm Corp | Flachdruckplattenvorläufer und lithographisches Druckverfahren |
US7858291B2 (en) * | 2005-02-28 | 2010-12-28 | Fujifilm Corporation | Lithographic printing plate precursor, method for preparation of lithographic printing plate precursor, and lithographic printing method |
-
2006
- 2006-09-20 US US11/523,652 patent/US20070134587A1/en not_active Abandoned
- 2006-09-21 AT AT06019769T patent/ATE413274T1/de not_active IP Right Cessation
- 2006-09-21 DE DE602006003515T patent/DE602006003515D1/de active Active
- 2006-09-21 EP EP06019769A patent/EP1795344B1/de active Active
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DE602006003515D1 (de) | 2008-12-18 |
EP1795344A1 (de) | 2007-06-13 |
US20070134587A1 (en) | 2007-06-14 |
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